Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cua triet, dua tren
va hanh » van hanh, va thanh, va danh
van cau » van dau, van hau, van chat
sach ly » sach y, sach ty, sach hay
cuu tre » cau tren, cau treo
sach lo » sach dao, sach doi, sach hoi
ma hoi » mai hoi, xa hoi, ma hoa
van ma » van man, van mao, van ha
cau tu » dau tu, cau truc

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: vu ((sach ly) OR (sach lo)) van ma hoi. hieu van cau tu va hanh vi ((cua tre) OR (cuu tre))~.
• Adding a wildcard symbol may retrieve word variants: vu ((sach ly) or (sach lo)) van ma hoi. hieu van cau tu va hanh vi ((cua tre) or (cuu tre))*.