Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
cong nhan » cong thanh, cong san, dung nhan
cong nhat » cong ha, cong suat, dang nhat
toan ban » van ban
tung va » trung va, tuong va, dung va
va dung » van dung, va duong, vat dung

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 tinh)) - thanh tung va dung ((cong nhan) OR (cong nhat)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu tinh)) - thanh tung va dung ((cong nhan) OR (cong nhat)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu tinh)) - thanh tung va dung ((cong nhan) OR (cong nhat)) toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu tinh)) - thanh tung va dung ((cong nhan) OR (cong nhat)) toan ban*.