Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
model communications » modern communications, border communications, aided communications
relations between » relation between, relationship between, relationships between
technologien 4 » technologien _, technologien 1, technologien 5
between lines » between line, between linked, between lived
a developing » a development
4 relations » 3 relations, 4 relation, 1 relations
lines model » line model, linear model, lines mol
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien 4 relations between lines model communications costs a developing _ arenas.*.