Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
developpement du » developpement de, developpement des, developpement et
4 developpement » de developpement, le developpement, et developpement
based election » based selection, based detection, based reflections
time water » time warner, mine water, like water
du afrique » en afrique, l afrique, de l'afrique
water 2.3 » water 3.3, water 2.1, water 2.2
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 based election time water 2.3 communication costs 4 developpement du afrique.*.