Perhaps you should try some spelling variations:
personal communication » interpersonal communication
der developpement » de developpement, des developpements, leur developpement
variation notes » variation models, variation des, variation forms
communication 2 » communication _, communication a, communication 3
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
den personal » der personal, de personal, des personal
des afrique » en afrique, de l'afrique
notes den » notes modern, notes wooden
2 der » _ der

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation notes den personal communication 2 der developpement des afrique.*.