Perhaps you should try some spelling variations:
doanh bat » danh bat, doanh tai, doanh va
thu sach » tu sach, thuat sach, thuoc sach
tho lang » thon lang, cho lang, tho nang
hieu van » hieu va, thien van, lieu va
va doanh » van doanh, vay doanh, va danh
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
bat cua » ban cua, mat cua, bai cua
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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 ((tho lang) or (thuc hanh)) xa hoi. hieu van cam tuc va doanh bat cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((tho lang) OR (thuc hanh)) xa hoi. hieu van cam tuc va doanh bat cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ((tho lang) or (thuc hanh)) xa hoi. hieu van cam tuc va doanh bat cua tre*.