Perhaps you should try some spelling variations:
van quang » van quan, tran quang, van tuan
thanh di » thanh doi, thanh de, thanh do
va cham » va chat, va tham
te sach » toc sach
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
loc va » hoc va, luc va
tuc va » thuc va, truc va, tuc xa
v nang » va nang, vu nang, van nang
di cua » dai cua, doi cua, de cua

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 ((v nang) or (van quang)) xa hoi. hieu va cham ((loc va) or (tuc va)) thanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((v nang) OR (van quang)) xa hoi. hieu va cham ((loc va) OR (tuc va)) thanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((v nang) or (van quang)) xa hoi. hieu va cham ((loc va) or (tuc va)) thanh di cua tre*.