Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
lan phuong » van phuong, dan phuong, lan thuong
ho chieu » hoc thieu, doi chieu, mot chieu
anh tang » anh bang, anh dang, anh nang
tang lan » tang luan, tang van, tang dan
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) OR (ho chieu)) tinh - anh tang lan phuong ((cong tan) or (cong san)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) tinh - anh tang lan phuong ((cong tan) OR (cong san)) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) tinh - anh tang lan phuong ((cong tan) or (cong san)) van ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) tinh - anh tang lan phuong ((cong tan) or (cong san)) van ban*.