Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
technology 1 » technology _
about debate » about debt, about related, about state
developing a » developing _
debate 4.1 » debates 4.1, debate 2.1, debate 4.2
a africa » 1 africa, can africa, em africa

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology 1 information about debate 4.1 communication costs _ developing a africa.~.
• Adding a wildcard symbol may retrieve word variants: technology 1 information about debate 4.1 communication costs _ developing a africa.*.