Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
tu xang » ty xang, tu lang, tu quang
xang xa » lang xa, mang xa, ang xa
hieu va » lieu va, hieu qua
cuu tac » cuu dac, cuu cac, cuu xac
xuc va » tuc va, luc va, xac va

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu xang xa hoi. hieu va thanh ((xuc va) OR (duc va)) thanh vi ((cuu thuc) OR (cuu tac))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu xang xa hoi. hieu va thanh ((xuc va) or (duc va)) thanh vi ((cuu thuc) OR (cuu tac))~".
• Adding a wildcard symbol may retrieve word variants: te sach tu xang xa hoi. hieu va thanh ((xuc va) or (duc va)) thanh vi ((cuu thuc) OR (cuu tac))*.