Perhaps you should try some spelling variations:
information center » information centers, information centre, information content
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
gaps information » als information, gets information, laws information
technology gaps » technology gap
center model » center models, centered model, counter model
model 3.1 » model 3.2, model 1
1 afrique » l afrique, en afrique, 1 enrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology gaps information center model 3.1 communication costs a development 1 afrique.*.