Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh thanh » canh tranh, danh thanh, anh thanh
thanh phan » thanh pho, thanh san, thanh toan
cong thanh » dong thanh, cong trinh, cong tan
hoc chieu » hoc thieu, ho chieu, hoc hien
phan hung » phan chung, phan ung, phan hong
cong toan » cong tan, cong hoan, cong tuan
can cau » ban cau, ca cau, cac cau
van cau » van dau, van hau, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - canh thanh phan hung ((cong toan) or (cong thanh)) ((can cau) or (van cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh thanh phan hung ((cong toan) OR (cong thanh)) ((can cau) OR (van cau)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh thanh phan hung ((cong toan) or (cong thanh)) ((can cau) or (van cau))*.