Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
lan phuong » van phuong, dan phuong, bang phuong
lan thuong » han thuong, hang thuong, phan thuong
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac

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