Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
hanh doanh » hang doanh, chinh doanh, kinh doanh
chau tinh » cuu tinh, ha tinh, cua tinh
hoc chau » hoc chat, moc chau, hoc cau
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
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: hoc chau tinh - ((hanh doanh) or (doanh doanh)) va nhung ((cong tap) OR (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chau tinh - ((hanh doanh) OR (doanh doanh)) va nhung ((cong tap) OR (cong tac)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chau tinh - ((hanh doanh) or (doanh doanh)) va nhung ((cong tap) OR (cong tac)) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc chau tinh - ((hanh doanh) or (doanh doanh)) va nhung ((cong tap) OR (cong tac)) toan tap*.