Perhaps you should try some spelling variations:
level communication » level communications, cell communication, event communication
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
1.4 developing » 12.4 developing, 1.3 developing, 14 developing
developing iv » developing av, developing ict, developing cil
contents 1.3 » contents 1.1, contents 2.3, contexts 1.3
1.3 level » 1.3 levels, 1.2 level, 2.3 level
costs 1.4 » costs 11.4, costs 12.4, costs 4.4
iv africa » v africa, 1 africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information contents 1.3 level communication costs 1.4 developing iv africa.*.