Perhaps you should try some spelling variations:
12.3 communication » 2.3 communication, 1.3 communication, 2.2.3 communication
technology glass » technology gaps, technology giants, technology gap
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
glass detection » clash detection, gas detection, nlos detection
detection crime » detection from, detection game, detection rate
rates 12.3 » states 12.3, rates 4.3
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology glass detection crime rates 12.3 communication costs le developpement en afrique.*.