Perhaps you should try some spelling variations:
when communication » where communication, open communication, sign communication
communication cost » communication costs, communication costa, communications costs
technologie und » technologies 2.1
und information » fund information, road information, award information
contents 3.1 » contents 1, contents _, contents map
2 developing » 3 developing, 4 developing, 2 development
developing e » developing _, developing a, developing east
3.1 when » 4.1 when, 6.1 when, 2.1 when
e africa » em africa, de africa, eu africa
cost 2 » cost 12, cost _, cost 4

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 3.1 when communication cost 2 developing e africa.*.