Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
dung cong » dung trong
ban quang » van quang, dan quang, tran quang
ho chieu » theo chieu, hoc thieu, doi chieu
ban quan » van quan
va dung » van dung, va duong, vat dung
san va » san van, ban va, dan va

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 - thanh san va dung cong ((ban quang) or (ban quan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh san va dung cong ((ban quang) OR (ban quan)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh san va dung cong ((ban quang) or (ban quan)) cao*.