Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
information last » information list, information lost, information law
developing arabs » developing areas, developing asia's, developing cross
technology 1 » technology _
last decades » last decade, lost decade, past decade
4 developing » 3 developing
arabs africa » areas africa, across africa, rates africa
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 last decades 3.2 communication costs 4 developing arabs africa.*.