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
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
centers due » centers case
cost 3.2 » cost 2.4
due get » done get, due debt

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 due get communication cost 3.2 developing _ africa.*.