Perhaps you should try some spelling variations:
information problems » information providers, information systems, information policy
der developpements » des developpements, deux developpements, de developpement
developpements en » developpement en, developpement et, developpements de
communications 3 » communications _, communications a, communications 5
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
problems 5 » problems _, problems 3, problems a
5 data » 2 data
3 der » _ der, 2 der

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

• Adding a wildcard symbol may retrieve word variants: technologies a information problems 5 data communications 3 der developpements en afrique.*.