Perhaps you should try some spelling variations:
des transformations » les transformations, model transformations, order transformations
oral communication » personal communication
transformations a » transformations _, transformations 1, transformations 3
technologien des » technologien fur, technologien und, technologies 2
developing based » development based, developing asia, developing east
based areas » base areas, based areal, basic areas
der oral » der moral, der ort, der orte
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologien des transformations a der oral communication costs _ developing based areas.*.