Perhaps you should try some spelling variations:
communication model » communication media
oral communication » personal communication
technologies die » technologies de, technologie die, technologies bit
transformation a » transformation _
use development » case development, sme development, e development
bank afrique » en afrique, bank africa, bank african
model use » model used, model user, models used
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.

• Performing a fuzzy search may retrieve terms with similar spellings: technologies die transformation a der oral communication model use development bank afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies die transformation a der oral communication model use development bank afrique.*.