Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
toc chieu » toc thieu, doc hieu, hoc thieu
canh manh » lanh manh, canh tranh, cach mang
dung cong » dung trong
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
tan toan » tap toan, van toan, dan toan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu xanh - canh manh cua dung cong ((tan toan) or (tan tran)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - canh manh cua dung cong ((tan toan) OR (tan tran)) tap*.