Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trang va » tran van, hang va
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than tap » toan tap, han tap, phan tap
luan » quan, lan

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 - hanh ((trang va) or (luan van)) bang ((cong dan) OR (cong san)) than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh ((trang va) OR (luan van)) bang ((cong dan) OR (cong san)) than tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh ((trang va) or (luan van)) bang ((cong dan) OR (cong san)) than tap".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh ((trang va) or (luan van)) bang ((cong dan) OR (cong san)) than tap*.