Perhaps you should try some spelling variations:
irsn communication » iran communications, ironic communication, open communication
technologien a » technologien am, technologien ad, technologien _
a informations » a information, 2 informations, 3 informations
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing e » developing _, developing a, developing east
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
der irsn » der irak, der ias, der ifrs
e areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien a informations _ der irsn communication costs 2.2 developing e areas.*.