Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
nhanh dong » hanh dong, nhanh chong, anh dong
nhung cong » dung cong, thong cong, hang cong
hoc nhung » hoa nhung, hon nhung, nuoc nhung
dong hoc » dong co, dong luc
dan toan » van toan, dan than, manh toan

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 xanh) OR (chieu sang)) - nhanh dong hoc nhung cong ((dan toan) or (tan tran)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - nhanh dong hoc nhung cong ((dan toan) OR (tan tran)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sang)) - nhanh dong hoc nhung cong ((dan toan) or (tan tran)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sang)) - nhanh dong hoc nhung cong ((dan toan) or (tan tran)) cau*.