Perhaps you should try some spelling variations:
data communication » data communications
developpement de » developpement des, developpement durable
2.2 interaction » 2.2 interactions, 3.2 interaction, 2.1 interaction
a developpement » au developpement, de developpement, le developpement
technology 2.2 » technology _, technology 1, technology 3
interaction 4 » interaction _, interaction 1, interaction a
de afrique » de l'afrique, en afrique, l afrique
4 price » 1 price, 2 price, 4 prace
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 2.2 interaction 4 price data communication costs a developpement de afrique.*.