Perhaps you should try some spelling variations:
doanh nhung » doanh thuong, doanh nhan, doan hung
doanh chung » doanh thuong, doan hung, doanh chuoi
hanh trinh » canh tranh, hanh chinh
theo chu » theo chieu, cho chu, chao chu
chu tach » chu tich, chu thich, chu thanh
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu tach - hanh trinh ((doanh nhung) OR (doanh chung)) cong dan ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tach - hanh trinh ((doanh nhung) OR (doanh chung)) cong dan ((toan ban) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu tach - hanh trinh ((doanh nhung) OR (doanh chung)) cong dan ((toan ban) or (van ban))".
• Adding a wildcard symbol may retrieve word variants: theo chu tach - hanh trinh ((doanh nhung) OR (doanh chung)) cong dan ((toan ban) or (van ban))*.