Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
cua nhung » va nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

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