Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
technologies pt » technologies _, technologies 4, technologies 2
pt information » ct information, plot information, get information
4.2.2 data » 5.2.2 data, 4.2 data, 3.3.2 data
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 pt information costs 4.2.2 data communications _ des developpement de afrique.*.