Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
thanh tra » thanh toan, thanh hoa
dang cong » dung cong
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban
va dang » van dang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hien) or (doi chieu)) xanh - ((hanh trinh) or (thanh tra)) va dang cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (doi chieu)) xanh - ((hanh trinh) OR (thanh tra)) va dang cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (doi chieu)) xanh - ((hanh trinh) or (thanh tra)) va dang cong van toan ban*.