Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hang cong » dang cong, hang nong, bang cong
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
va hang » van hang, va nang, va lang

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 (hoc hien)) xanh - canh tranh va hang cong dan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc hien)) xanh - canh tranh va hang cong dan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc hien)) xanh - canh tranh va hang cong dan ((toan cau) or (toan cao))*.