Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sang » chieu sach, chieu xanh, hieu lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
cua phuong » cuu phuong, cuc phuong, luan phuong
hanh dung » thanh dung, anh dung, hanh dong
dung cua » dung luan, dung cho
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (chieu tinh)) - hanh dung cua phuong cong ((dan toan) OR (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu tinh)) - hanh dung cua phuong cong ((dan toan) OR (dan than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (chieu tinh)) - hanh dung cua phuong cong ((dan toan) OR (dan than)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu tinh)) - hanh dung cua phuong cong ((dan toan) OR (dan than)) cau*.