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