Perhaps you should try some spelling variations:
15.3 communication » 1.3 communication, 8.5.3 communication, 2.3 communication
information loss » information laws, information law, information 2
development de » development d, development ds, developpement de
technology 1 » technology _
loss debate » class debate, los debates, hours debate
debate 15.3 » debates 10.3, debates 12.3, debates 13.3
de africa » does africa, de america, use africa
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information loss debate 15.3 communication costs 2 development de africa.*.