Perhaps you should try some spelling variations:
oral communication » personal communication
information costs » information contents, information centers, information content
development asia » development aid, development africa, development a
technologien im » technologie im, technologien am, technologien _
im information » crm information, stm information, 2 information
asia africa » cpia africa, china africa
how oral » how moral, how rural, how arab

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

• Adding a wildcard symbol may retrieve word variants: technologien im information costs how oral communication costs _ development asia africa.*.