Perhaps you should try some spelling variations:
personal communication » interpersonal communication
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
les variations » its variations, 1er variations, ier variations
typologie les » typologie des, typologie der, typologie et
dr personal » der personal, de personal, das personal
3 der » _ der, 2 der

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

• Adding a wildcard symbol may retrieve word variants: typologie les variations _ dr personal communication 3 der developpement en afrique.*.