Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information 2.2.3 » information 23.2.3, information 2.2.2, information 2.2.6
technologien und » technologie und, technologien des, technologien fur
de communication » mobile communication, online communication
und information » fund information, road information, award information
e3 developing » 3 developing, 13 developing, 3.3 developing
developing 4 » developing _, developing a, developing e
2.2.3 who » 2.2.3 why, 2.2.4 who, 3.3.3 who
4 access » 2 access, 3 access
cost e3 » cost 2.3, cost edd
who de » who do, who made, who does

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

• Adding a wildcard symbol may retrieve word variants: technologien und information 2.2.3 who de communication cost e3 developing 4 access.*.