Perhaps you should try some spelling variations:
personal communication » interpersonal communication
variation banking » variation among, variation basic, variation using
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
groups personal » roles personal
typologien der » typologie der, typologie des, apologien der
banking groups » making groups, managing groups, working groups
der variation » de variation, does variation, die variation
la afrique » l afrique, la fabrique, en afrique
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: typologien der variation banking groups personal communication a de developpement la afrique.*.