Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
communication cost » communication costs, communication costa, communications costs
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
development e » development 1, development eco, development 11
e access » 2 access, 3 access, 4 access
cost a » cost _, cost 4, cost 5
can 2 » can a, can i, ca 2

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologien und information ((can 2) OR (can _)) voice communication cost a development e access.~".
• Adding a wildcard symbol may retrieve word variants: technologien und information ((can 2) OR (can _)) voice communication cost a development e access.*.