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 tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cao » toan cao, thai cao, than cap
cu dung » cau duong, duc 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 ((cu dung) OR (su dung)) cong tac than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh hang ((cu dung) OR (su dung)) cong tac than cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh hang ((cu dung) OR (su dung)) cong tac than cao*.