Perhaps you should try some spelling variations:
oral communication » personal communication
technologien am » technologien im, technologien als, technologie im
am information » guam information, palm information, crm information
information a » information age, information about
bank african » bank africa, pan african, baga african
des oral » des moral, des oil, des orts
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: technologien am information a des oral communication costs _ development bank african.*.