Perhaps you should try some spelling variations:
doanh nhung » doanh chung, doanh thuong, doanh nhan
hanh trinh » hanh chinh
nhung cong » dung cong, thong cong, hang cong
chao chu » cho chu, cua chu, cao cho
chu tach » chu tich, chu thich, chu thanh
cong dan » cong san, cong tan, huong dan
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: chao chu tach - ((hanh trinh) OR (canh tranh)) doanh nhung cong dan ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu tach - ((hanh trinh) OR (canh tranh)) doanh nhung cong dan ((toan cao) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao chu tach - ((hanh trinh) OR (canh tranh)) doanh nhung cong dan ((toan cao) or (van ban))".
• Adding a wildcard symbol may retrieve word variants: chao chu tach - ((hanh trinh) OR (canh tranh)) doanh nhung cong dan ((toan cao) or (van ban))*.