Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh suat » tranh cua, tranh luan
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
tap toan » tap doan, tap quan, bai toan
van tuan » van quan, van ban, anh tuan
van tai » von tai

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 tranh suat thong cong ((tap toan) or (((van tai) or (van tuan)))) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh tranh suat thong cong ((tap toan) OR (((van tai) OR (van tuan)))) tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh tranh suat thong cong ((tap toan) or (((van tai) or (van tuan)))) tap*.