Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trong dang » truong dang, trong dan, trong dong
dang chan » dan chan, dong chan, dang thanh
ho chieu » theo chieu, hoc thieu, doi chieu
cong cap » cung cap, cong cac, cong lap
cong cau » cong cu, cong chuc, thong cau
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh ((cong cap) OR (cong cau)) dung trong dang chan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((cong cap) OR (cong cau)) dung trong dang chan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((cong cap) OR (cong cau)) dung trong dang chan cau*.