Perhaps you should try some spelling variations:
chung tuong » chung thong, nhung tuong, chuong duong
chieu sach » chinh sach, chiet tach, chieu sang
thanh hang » thanh hoang, thanh thang, tranh hang
luan chung » luan chinh
hieu lang » chieu sang, hieu quang, nhieu tang
hang luan » tang luan, dung luan
tuong tac » cong tac, luong tai, tuong lai
tac dan » tac danh, cac dan, tac da

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 hang luan chung tuong tac dan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu sach) OR (hieu lang)) - thanh hang luan chung tuong tac dan ca.
• Adding a wildcard symbol may retrieve word variants: doc ((chieu sach) or (hieu lang)) - thanh hang luan chung tuong tac dan ca*.