Perhaps you should try some spelling variations:
networks information » network information, networked information, networks disinformation
ecological networks » political networks
leur developpement » le developpement, deux developpements, de developpement
developpement de » developpement des, developpement durable
information 3 » information 2
de afrique » de l'afrique, en afrique, l afrique
3 does » 13 does, 2 does, 4 does

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

• Adding a wildcard symbol may retrieve word variants: ecological networks information 3 does _ communication media leur developpement de afrique.*.