Perhaps you should try some spelling variations:
el communication » cell communication, real communication, 3 communication
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
developing ict » developing east, developing city, developing data
contents 1.3 » contents 1.1, contents 2.3, contexts 1.3
costs 12.4 » costs 11.4, costs 12.3, costs 2.4
ict africa » art africa, joint africa
1.3 el » 2.3 el, 3.3 el

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

• Adding a wildcard symbol may retrieve word variants: technologien _ information contents 1.3 el communication costs 12.4 developing ict africa.*.