Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
cua thong » cua thuong, cua khong, suat thong
theo kha » theo phap, thao khoa, theo chu
kha nang » phap nang, ky nang, ki nang
cua tong » cua cong, cua dong, cua nong
tap toan » tap doan, tap quan, bai toan
tam toan » tam than, pham toan, tam thanh

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

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