Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
information century » information centers, information centre, information center
technologien aids » technologien als, technologien ad, technologien des
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
aids information » chandos information, series information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
century case » century a
developing 1 » developing _, developing a, developing e
costa 2.4 » cost 2.4, costs 2.4, costs 12.4
case 4.1 » case 4.2, case 1

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information century case 4.1 communication costa 2.4 developing 1 africa.*.