Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trinh luan » trinh luat, trinh quan, trinh han
hoc chinh » hoan chinh, hoc sinh, hoc kinh
luan cong » luat cong, luong cong, luan chung
cong manh » cong danh, duong manh, cong thanh
cong dan » cong san, cong tan, huong dan
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: hoc chinh sach - canh trinh luan cong ((cong manh) or (cong dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - canh trinh luan cong ((cong manh) OR (cong dan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - canh trinh luan cong ((cong manh) or (cong dan)) toan cau*.