Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, hieu ve
thanh de » hanh de, thanh ve, thanh do
ky dang » ky nang, ky danh
dang ha » dong ha, dung ha, lang ha
lam duc » lam duoc, pham duc, nam duoc
duc ban » duc tan, duc van, dua ban
cua tre » cua te, cuu tre, cua triet
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
ha hoi » hoa hoi, ha noi, xa hoi
de cua » le cua, te cua, dieu cua

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 dang ha hoi. ((hieu van) or (lieu va)) lam duc ban thanh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky dang ha hoi. ((hieu van) OR (lieu va)) lam duc ban thanh de cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sai ky dang ha hoi. ((hieu van) or (lieu va)) lam duc ban thanh de cua tre*.