Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhanh lang » nhanh quang, nhan dang, nhanh dong
trong dan » trong dang, trong tan, trong ban
trong san » trong cac, cong san, dong san
toan cau » toan cao, toan ban, toan tap
va dung » van dung, va duong, vat dung

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((nhanh lang) OR (nhanh thang)) va dung ((trong dan) OR (trong san)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((nhanh lang) OR (nhanh thang)) va dung ((trong dan) or (trong san)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((nhanh lang) OR (nhanh thang)) va dung ((trong dan) or (trong san)) toan cau*.