Perhaps you should try some spelling variations:
ve triet » va trien, su triet
ky tang » ky dang, kho tang, ky trong
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
danh ve » dinh ve, hanh ve, anh ve
te sac » te sach, te cac, te san
xuc va » duc va, tuc va, luc va
ve ve » de ve, va ve, ke ve

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 ((ky tang) or (ky nang)) xa hoi. hieu va cac ((xuc va) or (thuc va)) danh ve ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ((ky tang) OR (ky nang)) xa hoi. hieu va cac ((xuc va) OR (thuc va)) danh ve ve triet.
• Adding a wildcard symbol may retrieve word variants: te sac ((ky tang) or (ky nang)) xa hoi. hieu va cac ((xuc va) or (thuc va)) danh ve ve triet*.