Perhaps you should try some spelling variations:
rural communication » rural communications, oral communication, moral communication
communication cost » communication costs, communication costa, communications costs
technologien als » technologien des, technologien fur, technologien und
als informations » als information, des informations, a informations
developing east » development east, developing a, developing asia
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
new rural » new real
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
und new » und neo, und ne, usd new
asezs. » sezs., aezs.

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

• Adding a wildcard symbol may retrieve word variants: technologien als informations und new rural communication cost 2.2 developing east asezs.*.