Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
information loss » information laws, information law, information 2
developing west » developing tests, developing waste, developing east
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
loss debate » class debate, los debates, hours debate
debate 4.1 » debates 4.1, debate 2.1, debate 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information loss debate 4.1 communication costs _ developing west africa.*.