Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
cua dang » cua cong, cua ban
cong van » cong vang, song van, cong tan
cong san » cong tac
ban dan » ban hang, ban hanh, ban quan

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 - canh manh cua dang ((cong van) OR (cong san)) ban dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - canh manh cua dang ((cong van) OR (cong san)) ban dan*".