Perhaps you should try some spelling variations:
personal communication » interpersonal communication
developpement durable » developpement de
des developpement » des developpements, de developpement, le developpement
variation being » variation bei, variation using, variation among
make personal » have personal, more personal, wave personal
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
being make » being more, being age, being mary
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation being make personal communication a des developpement durable afrique.*.