Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh thong » anh thong, hang thong, hinh thong
hanh trong » hanh trang, anh trong, hinh trong
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
san than » sang than, san thanh, ban than
than cao » toan cao, thai cao, than cap

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 thong) OR (hanh trong)) quan dung cong san than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((hanh thong) OR (hanh trong)) quan dung cong san than cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((hanh thong) OR (hanh trong)) quan dung cong san than cao*.