Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien laws » technologien als, technologien des, technologien am
laws information » news information, als information, platas information
et communication » et communicatione, get communication, debt communication
11.3 develop » 1.3 develop, 3.3 develop, 11.4 developed
high africa » higher africa, rights africa, china africa
cost 11.3 » cost 11.5, cost 4.1.3, costs 11.1

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

• Adding a wildcard symbol may retrieve word variants: technologien laws information contents _ et communication cost 11.3 develop high africa.*.