Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh manh » lanh manh, canh tranh, cach mang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
van toan » van tuan, van tan, van thanh

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