Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
canh doanh » hanh doanh, chinh doanh, kinh doanh
nhung cong » dung cong, thong cong, hang cong
hoc trieu » hoc thieu, hoc tieu, hoc dieu
cua nhung » va nhung
tan toan » tap toan, van toan, dan toan

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

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