Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
manh cua » doanh cua, ban cua
dan toan » van toan, dan than, manh toan

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 manh cua nhung cong ((dan toan) or (tinh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh manh cua nhung cong ((dan toan) OR (tinh toan)) cao*.