Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh hang » thanh hang, hang hang, hanh han
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cao » toan cao, thai cao, than cap
hang ca » hang va, nang cao, hang tai
ca dung » cao dung, cap dung, cu dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - hanh hang ca dung ((cong dan) OR (cong san)) than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh hang ca dung ((cong dan) OR (cong san)) than cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh hang ca dung ((cong dan) OR (cong san)) than cao*.