Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tuan thanh » thuan thanh, quan thanh, tran thanh
doi chieu » doc hieu, doi chi, ho chieu
trinh vat » trinh van, trinh luat, sinh vat
hang cong » dang cong, hang nong, bang cong
cong tuan » cong tan, cong luan, cong thanh
trinh va » trinh van, trinh ve, trinh vi

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 ((trinh va) or (trinh vat)) hang cong tuan thanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh ((trinh va) OR (trinh vat)) hang cong tuan thanh san.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh ((trinh va) or (trinh vat)) hang cong tuan thanh san*.