Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh van » thanh san, thanh toan, thanh phan
su sach » so sach, vu sach
tu nang » tru nang, tu nong, tu nano
hieu va » hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
van cua » vang cua, ban cua, dan cua
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: su sach ((tu nang) or (truc nano)) xa hoi. ((hieu va) or (lieu va)) cac xuc van thanh van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((tu nang) OR (truc nano)) xa hoi. ((hieu va) OR (lieu va)) cac xuc van thanh van cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ((tu nang) or (truc nano)) xa hoi. ((hieu va) or (lieu va)) cac xuc van thanh van cua tre*.