Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
developing forest » developing forms, development forest, developing coherent
technologien des » technologien fur, technologien und, technologies 2
information case » information based, information can, information costs
des information » des informations, does information, dis information
4.3 developing » 3.3 developing, 1.3 developing, 7.3 developing
forest dated » forest data, forest based, forest water
costs 4.3 » costs 4.2, costs 4.4, costs 2.3
case 3 » case 1, case 2
3 face » 3 faces, 43 face, _ face

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

• Adding a wildcard symbol may retrieve word variants: technologien des information case 3 face communication costs 4.3 developing forest dated.*.