Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
nhu huong » nhu phuong, nhu tuong, nhung huong
thu huong » thu cong
dan quang » dang quang, doan quang, van quang
quang cau » quang cao, quang cu, quan cau

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 - hanh ((trung cua) or (trung cap)) ((nhu huong) OR (thu huong)) dan quang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((trung cua) OR (trung cap)) ((nhu huong) OR (thu huong)) dan quang cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh ((trung cua) or (trung cap)) ((nhu huong) OR (thu huong)) dan quang cau*".