Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cua » truong ca, truong quan, truong cao
thong dong » thong duong, thuong dong, thong cong
doi chieu » doc hieu, doi chi, ho chieu
trung cua » trung tuan, trung cap, dung cua
dong cong » duong cong, dung cong, dang cong
cong khan » cong khanh, cong nhan, cong phan
khan ap » khan cap, han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - thanh ((trung cua) or (truong cua)) thong dong cong khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((trung cua) OR (truong cua)) thong dong cong khan ap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((trung cua) or (truong cua)) thong dong cong khan ap*.