Perhaps you should try some spelling variations:
2.2.3 communication » 12.2.4 communication, 3.2 communication, 2.7 communication
developpement de » developpement des, developpement durable
detection crime » detection from, detection game, detection rate
a developpement » au developpement, de developpement, le developpement
technology law » technology 1, technology 2.2, technology 3
law detection » flaw detection, gan detection, gas detection
rates 2.2.3 » rate 2.2.3, rates 2.1.3, rates 3.2.3
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 law detection crime rates 2.2.3 communication costs a developpement de afrique.*.