Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh di » thanh doi, thanh de, thanh do
te sach » toc sach
sach va » sach xa, sach ha, sach dao
va nang » van nang, da nang, cam nang
hieu va » lieu va, hieu qua
cam luc » cau luc
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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 va nang x hoi. hieu va ((cam luc) or (cam xuc)) va thanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach va nang x hoi. hieu va ((cam luc) OR (cam xuc)) va thanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach va nang x hoi. hieu va ((cam luc) or (cam xuc)) va thanh di cua tre*.