Perhaps you should try some spelling variations:
personal communication » interpersonal communication
developpement durable » developpement de
de developpement » sme development
variation using » variations during, variation und, variation among
des variation » does variation, de variation, der variation
goes personal » roles personal, des personal, names personal
using goes » using games, using goals, using gross
a de » a die, a der, a des
typologie » typologies, typology

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

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