Perhaps you should try some spelling variations:
time communication » de communication, mobile communication, online communication
technologien does » technologien des, technologien als, technologie de
information 1.5.2 » information 1.2, information 2
developing forest » developing forms, development forest, developing coherent
does information » des informations, dis information, users information
forest across » forests across, forest access, forest crops
3 developing » 3 development
1.5.2 1 » 1.5.2 _, 1.5.2 a
costs 3 » costs _, costs 4, costs a
1 time » 3 time, 4 time, 2 time

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

• Adding a wildcard symbol may retrieve word variants: technologien does information 1.5.2 1 time communication costs 3 developing forest across.*.