Perhaps you should try some spelling variations:
world communication » work communication, wired communications, good communication
development rural » development moral, development cultural, development general
technologien its » technologien des, technologien als, technologien im
relations before » relations beyond, relations between
6.4 development » 2.4 development, 9.4 development, 1.4 development
its relations » its relation, les relations, its relationship
before one » before more, before role, before age
rural area » rural areas
costs 6.4 » costs 4.4, costs 4.2, costs 2.3

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

• Adding a wildcard symbol may retrieve word variants: technologien its relations before one world communication costs 6.4 development rural area.*.