Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
ky sang » ky dang, ky tang, duy sang
van cac » van hac, van cau, van bac
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
ma hoi » mai hoi, xa hoi, ma hoa
cac tu » cac thu, cach tu, cac du
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ky sang) or (ky nang)) ma hoi. hieu van cac tu va hanh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky sang) OR (ky nang)) ma hoi. hieu van cac tu va hanh vai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te sach ((ky sang) or (ky nang)) ma hoi. hieu van cac tu va hanh vai ((cua tre) or (cua te))*.