Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
chiet tach » chieu sach
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
hang cong » dang cong, hang nong, bang cong
manh toan » thanh toan, anh tuan
cua hang » cua dang, cua nhung, cua cong

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

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