Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
model communications » modern communications, border communications, aided communications
technologien als » technologien des, technologien fur, technologien und
developing waste » developing east, developing water, developing eastern
als information » als informations, aids information, laws information
information 1 » information 2, information 3, information 3.2
4 developing » 3 developing
waste trends » case trends, base trends, wage trends
state model » stage model, scale model
1 state » 2 state, 3 state
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 als information 1 state model communications costs 4 developing waste trends.*.