Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cho chinh » chon chinh, che chinh, cuoc chinh
trinh cua » tinh cua, trinh luat, trinh quan
cong vang » cong lang, cong quang, cong ngang
tuan cau » toan cau, tuan cu, thuan cam
quan cau » quang cao, toan cau, quan ha
cua dan » cua dang, cua ban, ca dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chinh sach - hanh trinh cua dan ((cong vang) or (cong dong)) ((tuan cau) OR (quan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chinh sach - hanh trinh cua dan ((cong vang) OR (cong dong)) ((tuan cau) OR (quan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chinh sach - hanh trinh cua dan ((cong vang) or (cong dong)) ((tuan cau) OR (quan cau))".
• Adding a wildcard symbol may retrieve word variants: cho chinh sach - hanh trinh cua dan ((cong vang) or (cong dong)) ((tuan cau) OR (quan cau))*.