Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh doanh » hang doanh, chinh doanh, doanh doanh
thao khoa » thai khoa, toan khoa, pham khoa
khoa nang » kha nang, khoa dang, hoa nang
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
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: thao khoa nang - hanh doanh cua thong cong ((tap toan) or (tam toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thao khoa nang - hanh doanh cua thong cong ((tap toan) OR (tam toan)) tap.
• Adding a wildcard symbol may retrieve word variants: thao khoa nang - hanh doanh cua thong cong ((tap toan) or (tam toan)) tap*.