Perhaps you should try some spelling variations:
3.3 communication » 2.3 communication, 3.2 communication, 3.5 communication
technology glass » technology gaps, technology giants, technology gap
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
glass location » als location, trans location
location date » location case, location die, locational data
date service » data service, update service, water service
service 3.3 » services 3.3
de afrique » de l'afrique, en afrique, l afrique
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 glass location date service 3.3 communication costs a developpement de afrique.*.