Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » hanh chinh
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
dan than » dan chan, ban than, van than

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

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