Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
truong cua » truong quan, truong cao, huong cua
truong ca » truong cao, truong va, trong ca
trong tan » trong quan, trong cac, trong ca
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 sang) or (chieu sach)) - thanh ((truong cua) OR (truong ca)) dung trong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu sach)) - thanh ((truong cua) OR (truong ca)) dung trong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (chieu sach)) - thanh ((truong cua) OR (truong ca)) dung trong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu sach)) - thanh ((truong cua) OR (truong ca)) dung trong tan toan cau*.