Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
te sach » toc sach
hanh di » hanh vi, hanh de, hang di
sach ky » sac ky, sach y, sach ty
van cam » van nam, van lam, van cau
sang ma » tang ma, nang ma, sang tao
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa
di cua » dai cua, doi cua, de cua
ac va » tac va, bac va, mac 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: te sach ky ((nang x) OR (sang ma)) hoi. hieu van cam ((ac va) OR (tuc va)) hanh di cua tre~.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang x) or (sang ma)) hoi. hieu van cam ((ac va) or (tuc va)) hanh di cua tre*.