Perhaps you should try some spelling variations:
phung cong » nhung cong, phong cong, nhung chong
hieu manh » chieu xanh, hieu nganh, dieu hanh
dong luan » dung luan, tong luan, cong luan
dong xuan » hoang xuan, dinh xuan, dong cua
doc hieu » toc thieu, hoc thieu, hoc hien
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu manh - anh ((dong luan) or (dong xuan)) phung cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - anh ((dong luan) OR (dong xuan)) phung cong san than cap.
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - anh ((dong luan) or (dong xuan)) phung cong san than cap*.