Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
manh hung » anh huong
hung tuan » hung tran, quang tuan, trung tuan
tuan dung » tuan duong, tran dung, tan dung
chu xanh » chu manh, chieu xanh, chua xang
cac toan » cac khoan, hach toan, cac thanh
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 ((chu xanh) or (chieu sach)) - manh hung tuan dung trong cac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu sach)) - manh hung tuan dung trong cac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chieu sach)) - manh hung tuan dung trong cac toan cau*.