Perhaps you should try some spelling variations:
doanh nhung » doanh chung, doanh thuong, doanh nhan
hanh trinh » canh tranh, hanh chinh
hanh nhung » anh nhung, canh nhung, khanh phung
theo chu » theo chieu, cho chu, chao chu
chu tach » chu tich, chu thich, chu thanh
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cao » toan ban, toan tap

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