First, read the English article below.

To pronounce "eins," say the word "eye" but pronounce the ending "nz." It's pretty easy to count to 10 in German now that you know how to pronounce some of the key consonants and vowels. In German, "zwei" is pronounced as "tsvy." The "zw" is not pronounced as an English "z" would be, but rather is said as a "ts" sound. Pronounce it as "dry," with the "r" pronounced guttural. This word also has different consonant sounds than English. Pronounce "vier" like the English word "fear," but remember not to end with a hard "r." Say it more like "feeah." Say it like "foonf," and put a big accent on the "u" and make it an elongated sound. In this case, you do use a "z" sound. Pronounce it "zecks." " Pronounce it as "zeebhen." The "s" sound when it starts a sentence sounds like an English "z." Pronounce this German word as "ahkt." Pronounce it "noyn." " Don't forget the German rule that the "z" starting a sentence is pronounced with a "ts" sound; thus, pronounce "zehn" as "tsehn." You might also need to know how to say the word for zero in German once you've mastered how to count 1 through 10. Zero is "null," but that's pronounced as "nool." Once you've mastered basic German pronunciation and how to count past 10, try counting higher! It's easy.  Put the word "zehn" after each number to indicate you've added 10 when counting from 13-19. So, "neunzehn" is how you say 19 and "achtzehn" is how you say 18, and so on. Eleven is pronounced "elf" and 12 is "zwölf."  Twenty is "zwanzig." To count past 20, start with the German word for the second number and add the word for the number 1-10 and "und" and then "zwanzig." So, 21 is "einundzwanzig," which literally means "1 and 20" (while dropping the "s" in "eins.") To say 22, follow the same process. The word for 22 is "zweiundzwanzig." And so on through 29. Follow the same process all the way up to 100. However, instead of zwanzig, put the words for 30 ("dreißig" - the ß is "ss" in German and pronounced the same as the "s" in English), 40 ("vierzig" - pronounced "feahtsig'), 50... 

Now, please write a short abstract for it in Vietnamese. Abstract:
Bắt đầu đếm từ 1 đến 10 với từ "eins" (một). Đếm số hai là "zwei". Đếm số ba là "drei". Sử dụng từ "vier" cho số bốn. Nói "fünf" cho số năm. Sử dụng từ "sechs" có nghĩa là sáu trong tiếng Đức. Nói từ "sieben" cho số bảy. Sử dụng từ "acht" cho số tám. Nói "neun" với số chín. Hoàn thành bước đếm bằng từ số mười là "zehn". Tìm hiểu cách đếm số lớn hơn 10 trong tiếng Đức.