Perhaps you should try some spelling variations:
phuong trong » thuong trong, huong trong, phong trong
chieu sach » chinh sach, chiet tach, chieu sang
canh thanh » canh tranh, danh thanh, anh thanh
thu phuong » thi phuong, thu huong, theo phuong
thanh thu » thanh thuy, thanh tu, khanh thu
doan phan » doanh phan, toan phan, doanh nhan
dan phan » dan chan, van phan, dam phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: mot chieu sach - canh thanh thu phuong trong ((dan phan) or (doan phan)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot chieu sach - canh thanh thu phuong trong ((dan phan) OR (doan phan)) cac*.