Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien does » technologien des, technologien als, technologie de
developing latina » developing national, developing nations, developing asia
does information » des informations, dis information, users information
et communication » et communicatione, get communication, debt communication
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
latina medica » latin america
cost 3.5 » costs 3.5, cost 3.2, cost 2.5
1 et » 12 et, 13 et, 1 net
contents » context

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

• Adding a wildcard symbol may retrieve word variants: technologien does information contents 1 et communication cost 3.5 developing latina medica.*.