Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
chua xang » chua nang, chu bang, chua dong
quan dang » quang dang, quan lang, quan dong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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: cho ((chua xang) OR (chuc nang)) - hanh trinh quan dang ((cong dan) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chua xang) OR (chuc nang)) - hanh trinh quan dang ((cong dan) OR (cong tan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chua xang) OR (chuc nang)) - hanh trinh quan dang ((cong dan) or (cong tan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: cho ((chua xang) OR (chuc nang)) - hanh trinh quan dang ((cong dan) or (cong tan)) toan cau*.