Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
get communication » et communication, debt communication, de communication
technologie und » technologies 2.1
und information » fund information, road information, award information
developing cpia » developing china, developing asia, developing cil
3.4 developing » 13.4 developing, 3.3 developing, 3.2 developing
contents 83 » contents 2.3, contents 8.1, contents 1
cost 3.4 » cost 2.4, cost 3.2, cost 3.5
83 get » 3 get

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

• Adding a wildcard symbol may retrieve word variants: technologie und information contents 83 get communication cost 3.4 developing cpia africa.*.