Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
get communication » et communication, debt communication, de communication
developing cities » developing countries, developing annuities, developing economies
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
cities africa » societies africa, parties africa, rates africa
centers i » centers _, centers 3, centers a
cost 7.3 » cost 2.3, cost 7.4, cost 11.3
i get » _ get, i det

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information centers i get communication cost 7.3 developing cities africa.*.