Perhaps you should try some spelling variations:
der developpements » des developpements, deux developpements, de developpement
communication 4.1 » communication 4.3, communication 7.1, communication 1
developpements et » developpement et, developpement en, developpements de
information peer » information speed, information prior, information part
et afrique » en afrique, l afrique
peer low » power low
4.1 der » 2.1 der, 3.1 der, 1.1 der

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information peer low risk communication 4.1 der developpements et afrique.*.