Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
developing rates » developing states, developing water, developing cities
information los » information loss, information lost, information laws
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
4 developing » 3 developing
rates africa » state africa
los debates » law debates, life debates, los doblajes
debates 3.1 » debate 3.1, debates 4.1, debates 13.3
costs 4 » costs _, costs a, costs 4.2

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology 4 information los debates 3.1 communications costs 4 developing rates africa.~.
• Adding a wildcard symbol may retrieve word variants: technology 4 information los debates 3.1 communications costs 4 developing rates africa.*.