Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trong quan » thong quan, tong quan, thong quang
doi chieu » doc hieu, doi chi, ho chieu
chua dong » cua dong, ha dong, huy dong
quan tren » quan trong, quang tran, quan tri
qua dung » quang dung, su dung, qua song
tren van » trien van, tran van, tien van

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 - canh tranh ((qua dung) or (chua dong)) trong quan tren van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh tranh ((qua dung) OR (chua dong)) trong quan tren van.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh tranh ((qua dung) or (chua dong)) trong quan tren van*.