Perhaps you should try some spelling variations:
price communication » voice communication, prone communication, voice communications
leur developpement » le developpement, deux developpements, de developpement
information costs » information contents, information centers, information content
developpement de » developpement des, developpement durable
technologies 4 » technologies _
4 information » 2 information, 1 information
costs power » cost power, costs per, costs peter
power price » power prices, lower price, lower prices
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information costs power price communication a leur developpement de afrique.*.