Perhaps you should try some spelling variations:
su cach » su sach, tu cach, su cac
cach tu » cach thuc
tu nang » tru nang, tu nong, tu nano
van cam » van lam, van cau, van dam
truc va » thuc va, thuc vat, trung va
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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 x hoi. hieu ((van cam) OR (van nam)) ((luc va) OR (truc va)) hanh vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: su cach tu nang x hoi. hieu ((van cam) or (van nam)) ((luc va) or (truc va)) hanh vi cua tre*.