Perhaps you should try some spelling variations:
where communication » when communication, aware communication, sincere communication
information center » information centers, information centre, information content
communication cost » communication costs, communication costa, communications costs
technologie und » technologies 2.1
und information » fund information, road information, award information
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
developing e » developing _, developing a, developing east
center 3.1 » center 2.1, center 4.1, century 3.1
3.1 where » 4.3.1 where, 3 where, 1.2 where
cost 1.3 » cost 11.3, cost 1.2, cost 2.3
e africa » em africa, de africa, eu africa

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

• Adding a wildcard symbol may retrieve word variants: technologie und information center 3.1 where communication cost 1.3 developing e africa.*.