Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
de developpement » sme development
developpement de » developpement des, developpement durable
action series » education series
typologie de » typologie des, typologie der, typologien der
series based » services based, studies based, devices based
based device » based devices, based service, based advice
de afrique » de l'afrique, en afrique, l afrique
de action » de accion, de l'action, done action
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologie de action series based device communication a de developpement de afrique.*.