Perhaps you should try some spelling variations:
canh thanh » canh tranh, danh thanh, anh thanh
thanh qua » thanh quan, thanh qui, hanh qua
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
qua dung » quang dung, su dung, qua song
cong san » cong tac
than cau » phan cau, than cap, thanh chau
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) or (theo chu)) xanh - canh thanh qua dung cong san ((than cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (theo chu)) xanh - canh thanh qua dung cong san ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tieu) or (theo chu)) xanh - canh thanh qua dung cong san ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (theo chu)) xanh - canh thanh qua dung cong san ((than cau) OR (toan cau))*.