Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
technologien und » technologie und, technologien des, technologien fur
de communication » mobile communication, online communication
und information » fund information, road information, award information
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing can » developing a, developing ai, developing av
centers how » center how, centers hold, century how
can africa » urban africa
cost 2.3 » costs 2.3, cost 2.4, cost 2.2
how de » how doe, how do, how ae

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

• Adding a wildcard symbol may retrieve word variants: technologien und information centers how de communication cost 2.3 developing can africa.*.