Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
tieu xanh » tieu danh, chieu xanh, tien anh
trinh han » trinh quan
han hang » hang hang, han chang, ban hang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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 ((tieu xanh) or (dieu hanh)) - canh trinh han hang ((cong dan) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (dieu hanh)) - canh trinh han hang ((cong dan) OR (cong tan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (dieu hanh)) - canh trinh han hang ((cong dan) or (cong tan)) toan cau*.