Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
trung va » truong va, trang va, trung ha
hieu van » hieu va, thien van, lieu va
su cach » su sach, tu cach, su cac
vai cua » dai cua, hai cua, lai cua
van cam » van nam, van lam, van cau
cach tu » cach thuc
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su cach tu ((nang xa) OR (lang xa)) hoi. hieu van cam ((luc va) OR (trung va)) hanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cach tu ((nang xa) OR (lang xa)) hoi. hieu van cam ((luc va) or (trung va)) hanh vai cua tre~".
• Adding a wildcard symbol may retrieve word variants: su cach tu ((nang xa) OR (lang xa)) hoi. hieu van cam ((luc va) or (trung va)) hanh vai cua tre*.