Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » ho chieu, theo chu, thi chieu
cua nhung » va nhung
hanh ban » thanh ban, hang ban, hanh san
cong tan » cong tac, cong san, cong thanh
ban cua » ban quan
tan van » tran van, tang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo tieu)) xanh - hanh ban cua nhung cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) xanh - hanh ban cua nhung cong tan van ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) xanh - hanh ban cua nhung cong tan van ban*.