Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
cao ban » cao bang, co ban, cao van
can ban » van ban, toan ban

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