Perhaps you should try some spelling variations:
layer communication » water communication, jander communication, master communication
communication cost » communication costs, communication costa, communications costs
information 4.3.2 » information 4.3.3, information 2.3.2, information 3.2
technologie und » technologies 2.1
und information » fund information, road information, award information
13 developing » 1.3 developing, 3 developing, 1 developing
developing 4 » developing _, developing a, developing e
4.3.2 who » 4.3.3 who, 6.3.2 who, 16.3.2 who
who layer » two layer
4 access » 2 access, 3 access
cost 13 » cost 12, cost 15, cost e3

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

• Adding a wildcard symbol may retrieve word variants: technologie und information 4.3.2 who layer communication cost 13 developing 4 access.*.