First, read the English article below.

Fleas don’t like the scent of lemon and will avoid things with this smell. By applying a lemon spray around your house and on your pets, you can drive the fleas away, at least temporarily.  Make a lemon citrus spray by cutting 6 lemons in half and boiling them in water. Steep the lemons in the water overnight. Pour the lemon water into a clean spray bottle. Place in a spray bottle and apply to fabrics and furniture around your house. You can also spritz your animals with lemon spray.  Test inconspicuous areas first to make sure it doesn’t bleach or damage the item being sprayed. Set up several diffusers throughout your house. Choose oils such as lavender, eucalyptus, cedar wood, lemon, or peppermint. You can also look for lotions that contain these essential oils. Apply the lotion to your skin, which will repel the fleas. Most general bug sprays prevent against fleas, so apply the spray if you notice fleas in your house. One with an insect growth inhibitor will be longer lasting killing any fleas which hatch for up to 7 months. Consider the health hazards of insecticides. Always read labels carefully to avoid accidental poisoning. If it's flea season, spraying insecticide in your yard will kill off fleas and eggs. Look for a product that's been approved by the EPA and is safe to use on your plants. Nematodes are small worms that feed on fleas. Ladybugs are also good additions to your yard, as they feed on fleas as well. Visit your local garden center to get some of these flea predators. 

Now, please write a short abstract for it in Vietnamese. Abstract:
Xịt nước chanh. Dùng máy khuếch tán và các loại tinh dầu có tác dụng xua đuổi  bọ chét. Sử dụng thuốc diệt côn trùng trong nhà. Cân nhắc phun thuốc diệt côn trùng trong sân. Mua giun tròn thả trong vườn.