Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty mang » ty xang, ty hang, tin mang
mang xa » lang xa, mang may, dang xay
cac tuc » cac toc, cac tu, cac tac
tuc van » thuc van, truc van, tuc va
vi cua » vai cua, di cua
cua te » cua tu

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 ty mang xa hoi. ((((hieu va) OR (hieu qua))) OR (lieu va)) cac tuc van thanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty mang xa hoi. ((((hieu va) OR (hieu qua))) or (lieu va)) cac tuc van thanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach ty mang xa hoi. ((((hieu va) OR (hieu qua))) or (lieu va)) cac tuc van thanh vi cua te*.