Perhaps you should try some spelling variations:
lea's communication » mass communication, crisis communication, leadership communication
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
technologies 4 » technologies _
4 information » 2 information, 1 information
preface part » preface list
de afrique » de l'afrique, en afrique, l afrique
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 4 information preface part lea's communication 3 der developpement de afrique.*.