Perhaps you should try some spelling variations:
thanh dieu » thanh lieu, than dieu, hanh dieu
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, hieu ve
dieu tra » dieu tri, kiem tra, dieu cua
ky tang » ky nang, ky dang, kho tang
tang ha » lang ha, tang ma, trung ha
lam duc » lam duoc, pham duc, nam duoc
duc ban » duc tan, duc van, dua ban
tra tre » tran tren, tran tri, tran tro
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky tang ha hoi. ((hieu van) or (lieu va)) lam duc ban thanh dieu tra tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky tang ha hoi. ((hieu van) OR (lieu va)) lam duc ban thanh dieu tra tre.
• Adding a wildcard symbol may retrieve word variants: tu sai ky tang ha hoi. ((hieu van) or (lieu va)) lam duc ban thanh dieu tra tre*.