Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh toan » thanh hoa, thanh san, tinh toan
tieu xanh » tieu danh, chieu xanh, dieu hanh
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van ban
toan va » doan va, tran van, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - thanh toan va thuong cong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh toan va thuong cong dan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh toan va thuong cong dan ((toan cao) or (toan ban))*.