Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
doi chieu » doc hieu, doi chi, ho chieu
tuan hang » tuan hoang, tuan bang, tuan hung
tuan dang » tran dang, tuan bang, tuan dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, 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: ((hoc hien) or (doi chieu)) xanh - thanh tran ((tuan hang) OR (tuan dang)) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (doi chieu)) xanh - thanh tran ((tuan hang) OR (tuan dang)) cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hien) or (doi chieu)) xanh - thanh tran ((tuan hang) OR (tuan dang)) cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (doi chieu)) xanh - thanh tran ((tuan hang) OR (tuan dang)) cong tac toan cau*.