Perhaps you should try some spelling variations:
3.4 communication » 5.4 communication, 3.2 communication, 3.5 communication
technologien fur » technologien des, technologien und, technologies 2
information case » information based, information can, information costs
fur information » zur information, fair information, your information
developing 4 » developing _, developing a, developing e
4 areal » 4 real, _ areal, 2 areal
case a » case 1, case 2, case 3
a 3.4 » a 3.2, a 3.3, a 3.1

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information case a 3.4 communication costs _ developing 4 areal.*.