Perhaps you should try some spelling variations:
sach thuc » cach thuc, sach thu, sach thue
hanh thai » nhanh thai, hinh thai, hanh tai
thu sach » tu sach, thuat sach, thuoc sach
thai cua » than cua, tai cuc, tri cua
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
van cac » van hac, van cau, van bac
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, me hoi, va hoi

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 thuc hanh ((((ma hoi) or (ma hoa))) or (xa hoi)). hieu van cac xuc van hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach thuc hanh ((((ma hoi) OR (ma hoa))) OR (xa hoi)). hieu van cac xuc van hanh thai cua tre*.