Perhaps you should try some spelling variations:
oral communication » personal communication
information case » information based, information can, information costs
technologien od » technologien ad, technologien und, technologien _
developing east » development east, developing a, developing asia
od information » d information, nd information, road information
3.3 developing » 4 developing, 2 developing, 1 developing
case boost » case book, can boost, case cost
boost oral » boost morale, boost local, boost social
east roman » post roman, east road
costs 3.3 » costs 2.3, costs 3.5, costs 4.3

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

• Adding a wildcard symbol may retrieve word variants: technologien od information case boost oral communication costs 3.3 developing east roman.*.