Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » tinh quang, trinh luat, trinh han
chong cong » cong cong, thong cong, cuong cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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 quan) or (tran quang)) chong cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh ((trinh quan) OR (tran quang)) chong cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh ((trinh quan) or (tran quang)) chong cong tac toan ban*.