Perhaps you should try some spelling variations:
trinh doanh » trinh danh, kinh doanh, chinh doanh
doanh nhung » doanh chung, doanh thuong, doanh nhan
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
thanh toan » thanh san, tinh toan
hieu sach » chieu sach, hieu cach, dien sach
thanh hoa » thanh pho
doc hieu » toc thieu, hoc thieu, hoc hien
dan toan » van toan, dan than, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu sach - hanh trinh doanh nhung cong ((dan toan) or (((thanh toan) OR (thanh hoa)))) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sach - hanh trinh doanh nhung cong ((dan toan) OR (((thanh toan) OR (thanh hoa)))) ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu sach - hanh trinh doanh nhung cong ((dan toan) or (((thanh toan) OR (thanh hoa)))) ban*".