Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
hanh hang » thanh hang, hang hang, hanh han
hang cong » dang cong, hang nong, bang cong
theo chu » theo chieu, cho chu, chao chu
chu tach » chu tich, chu thich, chu thanh
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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) or (canh tranh)) hanh hang cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tach - ((hanh trinh) OR (canh tranh)) hanh hang cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo chu tach - ((hanh trinh) or (canh tranh)) hanh hang cong dan toan cao*.