sentence 1: How do I build my profile for top B-schools?
 sentence 2: How do I build my profile for Harvard, Wharton, INSEAD etc.? sentence 1: How can learn English?
 sentence 2: I want to improve my English? sentence 1: From where can i download word power made easy by norman lewis?
 sentence 2: Where can I download (free) Word Power Made Easy by Norman Lewis?
same meaning
same meaning
not same meaning