Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh toan » thanh toan, trinh han, trinh quan
doi chieu » doc hieu, doi chi, ho chieu
mang cong » dang cong, bang cong, hang cong
doan phan » doanh phan, toan phan, doanh nhan
dan phan » dan chan, van phan, dam phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - canh ((trinh toan) OR (tinh toan)) mang cong ((dan phan) or (doan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh ((trinh toan) OR (tinh toan)) mang cong ((dan phan) OR (doan phan)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - canh ((trinh toan) OR (tinh toan)) mang cong ((dan phan) or (doan phan)) cau*".