Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
tieu xanh » tieu danh, chieu xanh, dieu hanh
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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 tieu xanh - hanh truong ((cao ban) or (can ban)) ((cong dan) OR (cong san)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh truong ((cao ban) OR (can ban)) ((cong dan) OR (cong san)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh truong ((cao ban) or (can ban)) ((cong dan) OR (cong san)) than cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh truong ((cao ban) or (can ban)) ((cong dan) OR (cong san)) than cao*.