Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam tu
so sanh » do sanh
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
dan dan » dang dan, ban dan, dao dan
dan cua » dan ca, ban cua, dai cua
sanh y » sinh y, anh y, hanh y
y lang » o lang, _ lang, tay lang
va dan » ca dan, va dao, va dau
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh y lang xa hoi. hieu ve ((nam thuc) OR (nam thu)) va dan dan cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh y lang xa hoi. hieu ve ((nam thuc) OR (nam thu)) va dan dan cua te".
• Adding a wildcard symbol may retrieve word variants: so sanh y lang xa hoi. hieu ve ((nam thuc) OR (nam thu)) va dan dan cua te*.