Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » theo tieu, ho chieu, thi chieu
hanh hang » thanh hang, hang hang, hanh mang
cua nhung » va nhung
theo chu » cho chu, chao chu, theo yeu
hanh han » hanh nhan, hanh phan, hanh san
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than ban » thanh ban, toan ban, than man

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 chu)) xanh - ((hanh hang) or (hanh han)) cua nhung cong tac than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) xanh - ((hanh hang) OR (hanh han)) cua nhung cong tac than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo chu)) xanh - ((hanh hang) or (hanh han)) cua nhung cong tac than ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo chu)) xanh - ((hanh hang) or (hanh han)) cua nhung cong tac than ban*.