Perhaps you should try some spelling variations:
chua xang » chua nang, chu bang, chua dong
tranh van » tran van, trinh van, thanh van
van thong » van thuong, van phong, va thong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
chuc » thuc, chu, phuc

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chua xang) or (chuc nang)) - canh tranh van thong ((cong dan) OR (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chuc nang)) - canh tranh van thong ((cong dan) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) or (chuc nang)) - canh tranh van thong ((cong dan) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chuc nang)) - canh tranh van thong ((cong dan) OR (cong san)) toan cau*.