Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thieu tinh » trieu tinh, chieu tinh, thien tinh
doanh luan » doanh nhan
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

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