Perhaps you should try some spelling variations:
doi chinh » do chinh, tai chinh, hoc chinh
tranh qua » tranh cua, thanh qua, trinh qua
cong danh » cuong danh, cong dan, cong thanh
qua dung » quang dung, su dung, qua song
cong anh » dong anh, hong anh, cong thanh
tuan cau » toan cau, quan cau, thuan cam
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chinh sach - canh tranh qua dung ((cong anh) OR (cong danh)) ((tuan cau) or (tuan cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chinh sach - canh tranh qua dung ((cong anh) OR (cong danh)) ((tuan cau) OR (tuan cu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chinh sach - canh tranh qua dung ((cong anh) OR (cong danh)) ((tuan cau) or (tuan cu))".
• Adding a wildcard symbol may retrieve word variants: doi chinh sach - canh tranh qua dung ((cong anh) OR (cong danh)) ((tuan cau) or (tuan cu))*.