Perhaps you should try some spelling variations:
communication cross » communication costs
developing decision » developing region
time communication » de communication, mobile communication, online communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
decision trees » decision tree, decision process
2 developing » 3 developing, 4 developing, 2 development
cross 2 » cross _, cross 1, cross c

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information _ five time communication cross 2 developing decision trees.*.