Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
vap nhung » va nhung, ve nhung, voi nhung
vai nhung » va nhung, voi nhung, ai nhung
ho chinh » hoc chinh, cho chinh, hoa chinh
cong van » cong vang, cong san, song van
cong tac » cong ty
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: ho chinh sach - hanh trinh ((vap nhung) or (vai nhung)) ((cong van) or (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - hanh trinh ((vap nhung) OR (vai nhung)) ((cong van) OR (cong tac)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - hanh trinh ((vap nhung) or (vai nhung)) ((cong van) or (cong tac)) toan cao*.