Perhaps you should try some spelling variations:
doanh luan » doanh nhan
nhung cong » dung cong, thong cong, hang cong
chi thanh » chi nhanh, thi thanh, cho thanh
tranh cua » doanh cua, manh cua
cong bai » cuong bai, cong hai, cung bai
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi thanh - canh ((tranh cua) or (doanh luan)) nhung cong bai ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi thanh - canh ((tranh cua) OR (doanh luan)) nhung cong bai ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi thanh - canh ((tranh cua) or (doanh luan)) nhung cong bai ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: doi chi thanh - canh ((tranh cua) or (doanh luan)) nhung cong bai ((toan cau) OR (toan ban))*.