Perhaps you should try some spelling variations:
oral communication » personal communication
development estate » development stage, development estimates, developmental state
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
information a » information age, information about
estate africa » state africa, states african, status africa
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.

• Performing a fuzzy search may retrieve terms with similar spellings: technologien als information a des oral communication costs _ development estate africa.~.
• Adding a wildcard symbol may retrieve word variants: technologien als information a des oral communication costs _ development estate africa.*.