Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
theo chieu » theo tieu, ho chieu, theo chu
theo yeu » theo tieu, thiet yeu, theo chu
hanh ban » thanh ban, hang ban, hanh san
cua dang » cua cong, cua ban
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
ban cua » ban quan

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 (theo yeu)) xanh - hanh ban cua dang ((cong thanh) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo yeu)) xanh - hanh ban cua dang ((cong thanh) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo yeu)) xanh - hanh ban cua dang ((cong thanh) or (cong tac)) toan cau*.