Perhaps you should try some spelling variations:
information centers » information contents, information officers
technologien aids » technologien als, technologien ad, technologien des
csr communication » de communication, 3 communication, 4 communication
aids information » chandos information, series information
developing good » developing global
14 developing » 4 developing, 1 developing, 10 developing
centers how » center how, centers hold, century how
good africa » roads africa
costs 14 » costs 4, costs 1, costs 11.4
how csr » low csr, how case, how cern

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information centers how csr communication costs 14 developing good africa.*.