Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
te sach » toc sach
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
ma hoi » xa hoi, ma hoa, me hoi
vi cua » vai cua, di cua
cua su » qua su

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) or (thuoc sach)) ty xang ((ma hoi) or (mai hoi)). hieu va cac xuc van thanh vi cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuoc sach)) ty xang ((ma hoi) OR (mai hoi)). hieu va cac xuc van thanh vi cua su.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuoc sach)) ty xang ((ma hoi) or (mai hoi)). hieu va cac xuc van thanh vi cua su*.