Perhaps you should try some spelling variations:
ve triet » va trien, su triet
nam thuc » nam thuoc, am thuc, nam thu
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
te cac » tu cac, ve cac, te cao
ve nam » he nam, va nam, le nam
dan ve » ban ve, dan viet, dan vien
dan va » doan va, dan ca, ban va
te sac » te sach, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) or (te cac)) ky tang xa hoi. hieu ve nam thuc va ((dan ve) or (dan va)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te cac)) ky tang xa hoi. hieu ve nam thuc va ((dan ve) OR (dan va)) ve triet.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te cac)) ky tang xa hoi. hieu ve nam thuc va ((dan ve) or (dan va)) ve triet*.