Perhaps you should try some spelling variations:
information speech » information speed, information search, information space
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
technologies 1 » technologies _, technologies 4, technologies 2
speech power » speech robert, pch power, peer power
power risk » powers risk, lower risk, power ric
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 1 information speech power risk communication 3 der developpement en afrique.*.