Perhaps you should try some spelling variations:
personale communication » personal communication, personal communications, personal communicator
de developpement » sme development
typology data » hydrology data, typology a, typology alma
die personale » die personelle, de personal, die persona
variables 2 » variables _, variables 4, variables 3
des afrique » en afrique, de l'afrique

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

• Adding a wildcard symbol may retrieve word variants: typology data variables 2 die personale communication _ de developpement des afrique.*.