Perhaps you should try some spelling variations:
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
gaps information » als information, gets information, laws information
information safe » information space, information some, information states
technology gaps » technology gap
developing en » developing e, developing eq, developing egg
4 developing » 3 developing
spaces 1.1 » spaces 2.1
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology gaps information safe spaces 1.1 communication costs 4 developing en afrique.*.