Perhaps you should try some spelling variations:
secure communication » remote communication, science communication, mobile communication
developing forest » developing forms, development forest, developing coherent
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
information 3 » information 2
states secure » states securing, states security, water secure
4 developing » 3 developing
forest areas » forest fires
3 states » 3 state, 3 status, c states
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 3 states secure communication costs 4 developing forest areas.*.