Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu xanh » chieu sach, chieu sang, chieu tinh
cac phuong » cac truong
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cac » trinh cac, thanh cac, tranh cai
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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 tranh cac phuong cong ((dan than) OR (van than)) cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - canh tranh cac phuong cong ((dan than) OR (van than)) cap".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh cac phuong cong ((dan than) OR (van than)) cap*.