Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
duong cong » dung cong, luong cong, duong trong
hanh tran » hanh trang, thanh tran, hanh tram
van duong » van dong, van dung, van phong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (toc thieu)) xanh - ((hanh tran) or (hanh trinh)) van duong cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (toc thieu)) xanh - ((hanh tran) OR (hanh trinh)) van duong cong san van ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (toc thieu)) xanh - ((hanh tran) or (hanh trinh)) van duong cong san van ban*.