Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tran trong » gian trong, quan trong, tran hong
lang thang » cang thang, dang thanh, hung thang
doi chieu » doc hieu, doi chi, mot chieu
phan cong » thanh cong
cong lang » cong vang, cong luong, cong quang
thang chu » thanh chu, thong chu, thanh chau

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 - tran trong ((phan cong) or (hoc dan)) cong lang thang chu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - tran trong ((phan cong) OR (hoc dan)) cong lang thang chu.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - tran trong ((phan cong) or (hoc dan)) cong lang thang chu*.