Perhaps you should try some spelling variations:
thien van » thi van
thanh di » thanh doi, thanh do, thanh dinh
thanh de » hanh de, thanh ve, thanh do
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
lam duc » lam duoc, pham duc, nam duoc
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky tang xa hoi. ((thien van) or (lieu va)) lam duc va ((thanh di) OR (thanh de)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang xa hoi. ((thien van) OR (lieu va)) lam duc va ((thanh di) OR (thanh de)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky tang xa hoi. ((thien van) or (lieu va)) lam duc va ((thanh di) OR (thanh de)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang xa hoi. ((thien van) or (lieu va)) lam duc va ((thanh di) OR (thanh de)) cua tre*.