Perhaps you should try some spelling variations:
data communication » data communications
information needs » information networks
des developpement » des developpements, de developpement, le developpement
2.1 information » 3.1 information
technology 2.1 » technology 2.2, technology 3.1, technology 1
needs life » needs link, needs time
des africa » does africa, yes africa, de africa
life data » life death
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technology 2.1 information needs life data communication a des developpement des africa.*.