Perhaps you should try some spelling variations:
oral communication » personal communication
information based » information case, information bank, transformation based
technologien des » technologien fur, technologien und, technologies 2
developing basic » developing asia, developing based, developing brazil
des information » des informations, does information, dis information
3 developing » 3 development
basic areas » basin area, basic ideas, basic access
based der » basel der, based order, based debt
der oral » der moral, der ort, der orte
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien des information based der oral communication costs 3 developing basic areas.*.