Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » tinh quang, trinh luat, trinh han
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh luan
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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 ((trinh cua) OR (trinh quan)) nhung cong dan van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh ((trinh cua) OR (trinh quan)) nhung cong dan van ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh ((trinh cua) OR (trinh quan)) nhung cong dan van ban*.