Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
chieu sach » chinh sach, chiet tach, chieu sang
thang luan » tang luan, hang luan, thong luan
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
cong thang » cong thanh, cang thang, cong thong
hieu lang » chieu sang, hieu quang, nhieu tang
thang dan » tang dan, thong dan, thanh dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu sach) or (hieu lang)) - thanh thang luan chung cong thang dan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu sach) OR (hieu lang)) - thanh thang luan chung cong thang dan ca.
• Adding a wildcard symbol may retrieve word variants: doc ((chieu sach) or (hieu lang)) - thanh thang luan chung cong thang dan ca*.