Perhaps you should try some spelling variations:
hanh trong » hanh trang, anh trong, hinh trong
tieu xanh » tieu danh, chieu xanh, dieu hanh
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 tieu xanh - hanh trong ((cao ban) or (can ban)) cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh trong ((cao ban) OR (can ban)) cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trong ((cao ban) or (can ban)) cong dan than cao*.