Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh le » trinh ly, thinh le, trinh he
le trong » le trung, ly trong, le tang
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than ban » thanh ban, toan ban, than man
ha chau » hat chau, a chau, lai chau
ho chu » hoi chu, cho chu, ho chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chu) or (ha chau)) tinh - hanh trinh le trong cong ban than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chu) OR (ha chau)) tinh - hanh trinh le trong cong ban than ban*.