Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
tuan dong » tuan duong, luan dong, tran dong
quan dong » quang dong, quan long, quan hoang
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: ((theo chieu) or (doi chieu)) xanh - thanh tung ((tuan dong) or (quan dong)) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) xanh - thanh tung ((tuan dong) OR (quan dong)) cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) xanh - thanh tung ((tuan dong) or (quan dong)) cong tac toan cau*.