Perhaps you should try some spelling variations:
oral communication » personal communication
developing basic » developing asia, developing based, developing brazil
technologien od » technologien ad, technologien und, technologien _
od information » d information, nd information, road information
contents die » contents i, contents ai, contents je
basic areas » basin area, basic ideas, basic access
die oral » die moral, die orte

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

• Adding a wildcard symbol may retrieve word variants: technologien od information contents die oral communication costs _ developing basic areas.*.