Perhaps you should try some spelling variations:
personal communication » interpersonal communication
formation across » information across, variation across, variations across
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
typologie der » typologie des, ideologie der
der formation » der information, der reformation, der formativen
2 personal » 1 personal, 4 personal
across 2 » across _, across a, across eu
a le » a les, a la, a l

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

• Adding a wildcard symbol may retrieve word variants: typologie der formation across 2 personal communication a le developpement en afrique.*.