Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
et communication » et communicatione, get communication, debt communication
14.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
technologien 1 » technologies 1, technologien _, technologien 4
developing 1 » developing _, developing a, developing e
contents h » contents 1, contents _, contents i
cost 14.4 » costs 14.3, cost 2.4, cost 1.2
h et » ho et, _ et, h e

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

• Adding a wildcard symbol may retrieve word variants: technologien 1 information contents h et communication cost 14.4 developing 1 africa.*.