Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
doe communication » de communication, vote communication, une communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
11.3 developing » 1.3 developing, 10.3 developing, 11.5 developing
developing can » developing a, developing ai, developing av
centers how » center how, centers hold, century how
can africa » urban africa
cost 11.3 » cost 11.5, cost 4.1.3, costs 11.1
how doe » how does, how do, how deep

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

• Adding a wildcard symbol may retrieve word variants: technologien des information centers how doe communication cost 11.3 developing can africa.*.