Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh dung » thanh dung, hanh dong, manh dung
anh dung » anh dong, anh huong, sach dung
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
tran ban » tranh ban, tran van, toan ban

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 tinh - ((hanh dung) or (anh dung)) cua dung ((cong tan) OR (cong san)) tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - ((hanh dung) OR (anh dung)) cua dung ((cong tan) OR (cong san)) tran ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - ((hanh dung) or (anh dung)) cua dung ((cong tan) OR (cong san)) tran ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - ((hanh dung) or (anh dung)) cua dung ((cong tan) OR (cong san)) tran ban*.