Perhaps you should try some spelling variations:
15.3 communication » 1.3 communication, 8.5.3 communication, 2.3 communication
developing chinese » development chinese, developing change, developing china
information when » information what, information war, information wants
chinese american » chinese americans, chinese africa
technology 1 » technology _
4 developing » 3 developing
when debate » seven debate, when despite
debate 15.3 » debates 10.3, debates 12.3, debates 13.3
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information when debate 15.3 communication costs 4 developing chinese american.*.