Perhaps you should try some spelling variations:
post communication » postal communication, iot communication, put communication
communication 23.5 » communication 23.3, communication 24.5, communication 2.3.3
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation _ der post communication 23.5 du developpement de afrique.*.