Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
than cua » nhan cua, thai cua, gian cua
tan toan » tan tran, van toan, dan toan
tap toan » tap doan, tap quan, bai toan
ban cua » ban quan

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 ((than cua) or (ban cua)) dung cong ((tan toan) or (tap toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((than cua) OR (ban cua)) dung cong ((tan toan) OR (tap toan)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((than cua) or (ban cua)) dung cong ((tan toan) or (tap toan)) cao*.