Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
lam xuc » cam xuc, lam duoc
vai cua » dai cua, hai cua, lai cua
va dinh » van dinh, va kinh, va tinh
van lam » van nam
nang xa » nang x, lang xa, nang ma
hoc anh » hoc nganh, hoc nhanh, ngoc anh
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (hoc anh)) ky nang xa hoi. hieu van lam xuc ((dia ban) or (va dinh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (hoc anh)) ky nang xa hoi. hieu van lam xuc ((dia ban) OR (va dinh)) vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (hoc anh)) ky nang xa hoi. hieu van lam xuc ((dia ban) or (va dinh)) vai cua tre*.