Perhaps you should try some spelling variations:
sanh thi » anh thi, oanh thi, nhanh thi
thi hanh » thi thanh
chat tuc » chat xuc, luat tuc, chat huu
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
so sanh » do sanh
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
cua tre » cua te, cuu tre, cua triet
ca hoi » cua hoi, xa hoi, co hoi
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh thi hanh ((ca hoi) or (cau hoi)). hieu va chat tuc va thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh thi hanh ((ca hoi) OR (cau hoi)). hieu va chat tuc va thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: so sanh thi hanh ((ca hoi) or (cau hoi)). hieu va chat tuc va thanh vi cua tre*.