Perhaps you should try some spelling variations:
quang phuong » bang phuong, dung phuong, hoang phuong
luan phuong » lan phuong, doan phuong, luat thuong
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
anh dung » anh dong, anh huong, sach dung
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 tinh - anh dung ((luan phuong) OR (quang phuong)) ((cong tan) or (cong san)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - anh dung ((luan phuong) OR (quang phuong)) ((cong tan) OR (cong san)) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - anh dung ((luan phuong) OR (quang phuong)) ((cong tan) or (cong san)) van ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - anh dung ((luan phuong) OR (quang phuong)) ((cong tan) or (cong san)) van ban*.