Perhaps you should try some spelling variations:
formel communication » force communication, informal communication, oral communication
informationen und » informations und, information und, transformationen und
development aside » development aid, development asia, development guide
4.1 development » 3.1 development, 2.1 development, 2.3 development
aside areas » marine areas, alpine areas, saline areas
die formel » die formen, die formale, die form
costs 4.1 » costs 4.2, costs 4.4, costs 4.3

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

• Adding a wildcard symbol may retrieve word variants: technologies _ informationen und die formel communication costs 4.1 development aside areas.*.