Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
trong tan » trong quan, trong cac, trong ca
cua phan » cua phap, cua han, qua phan
cua nhan » ca nhan, cua ngan, cua nha
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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