Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thien van » thi van
thanh doi » thanh loi, thanh moi, thanh do
hieu van » hieu va, lieu va, hieu ve
tu sach » thu sach, su sach, te sach
ly vang » ly hang, ly van, ly quang
xuc van » duc van, luc van, xuc ban
doi cua » dai cua, hoi cua, dong 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: tu sach ((ly vang) or (ty xang)) xa hoi. ((hieu van) or (thien van)) cam xuc van thanh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ly vang) OR (ty xang)) xa hoi. ((hieu van) OR (thien van)) cam xuc van thanh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ly vang) or (ty xang)) xa hoi. ((hieu van) or (thien van)) cam xuc van thanh doi cua tre*.