Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
cac tac » cac toc, cac bac, cac dac
da nang » cam nang, kha nang, cao nang
va nang » van nang, cam nang, kha nang
so sanh » do sanh
cua tre » cua te, cuu tre, cua triet
tac va » tac da, tac xa, tuc va
ve cua » le cua, de cua, te cua

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: ((su sach) OR (so sanh)) ((va nang) OR (da nang)) xa hoi. lieu va cac tac va thanh ve cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sanh)) ((va nang) OR (da nang)) xa hoi. lieu va cac tac va thanh ve cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ((va nang) OR (da nang)) xa hoi. lieu va cac tac va thanh ve cua tre*.