Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
dung cong » dung trong
doan phan » doanh phan, toan phan, dan phan
ho chieu » theo chieu, hoc thieu, doi chieu
trinh su » trinh tu, trinh san, trinh cau
dam phan » d phan, va phan
van phan » van phong, van thanh, luan phan

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 - canh trinh su dung cong ((((dam phan) or (doan phan))) or (van phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh trinh su dung cong ((((dam phan) OR (doan phan))) OR (van phan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh trinh su dung cong ((((dam phan) or (doan phan))) or (van phan)) cau*.