Perhaps you should try some spelling variations:
thanh tung » thanh cong
chi xanh » chi anh, chi danh, chi hanh
va luong » van luong, va huong, vi luong
va tuong » va thuong, va thong, xa truong
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan tap » toan ban
doi chi » doi khi

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: doi chi xanh - thanh tung ((va luong) OR (va tuong)) ((cong dan) OR (cong tac)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - thanh tung ((va luong) OR (va tuong)) ((cong dan) or (cong tac)) toan tap~".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh tung ((va luong) OR (va tuong)) ((cong dan) or (cong tac)) toan tap*.