Perhaps you should try some spelling variations:
thuoc trong » thuc trong, hoc trong, thuat trong
chieu sach » chinh sach, chiet tach, chieu sang
tranh cuc » tranh cuoc, tranh cua, tranh cac
cuc thuoc » cua thuoc, cuu thuoc, truc thuoc
doan phan » doanh phan, toan phan, dan phan
van phan » van phong, van thanh, luan 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 tranh cuc thuoc trong ((van phan) or (doan phan)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot chieu sach - canh tranh cuc thuoc trong ((van phan) OR (doan phan)) cac.
• Adding a wildcard symbol may retrieve word variants: mot chieu sach - canh tranh cuc thuoc trong ((van phan) or (doan phan)) cac*.