Perhaps you should try some spelling variations:
thien van » thi van
thuc dan » thuc hanh, hoc dan, thuc vat
ve triet » va trien, su triet
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, kho tang
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
anh de » hanh de, anh d, anh ve
te sac » te sach, te cac, 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 ky tang xa hoi. ((hieu ve) or (thien van)) cam ((xuc va) or (thuc dan)) anh de ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky tang xa hoi. ((hieu ve) OR (thien van)) cam ((xuc va) OR (thuc dan)) anh de ve triet.
• Adding a wildcard symbol may retrieve word variants: te sac ky tang xa hoi. ((hieu ve) or (thien van)) cam ((xuc va) or (thuc dan)) anh de ve triet*.