Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien from » technologies from, technology from, technologien fur
informal context » formal context, informed context, formal contexts
et communication » et communicatione, get communication, debt communication
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
developing eq » developing e, developing egg, developing _
eq africa » em africa, eu africa, 1 africa
cost 1.3 » cost 11.3, cost 1.2, cost 2.3

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

• Adding a wildcard symbol may retrieve word variants: technologien from informal context _ et communication cost 1.3 developing eq africa.*.