Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung cap » truong cao, trung tam
cong vang » cong lang, cong quang, cong ngang
vang tuan » van tuan, vong tuan, quang tuan
ho chieu » theo chieu, hoc thieu, doi chieu
trung ca » truong ca, trung cua, trung can
tuan cap » than cap, thuan cam, toan cao

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 ((trung ca) OR (trung cap)) trong cong vang tuan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung ca) OR (trung cap)) trong cong vang tuan cap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung ca) OR (trung cap)) trong cong vang tuan cap*.