Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
information center » information centers, information centre, information content
real communication » oral communication, cell communication, health communication
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
center 3.1 » center 2.1, center 4.1, century 3.1
costa 1.3 » cost 1.2, cost 11.3, cost 2.3

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information center 3.1 real communication costa 1.3 developing _ america.*.