Perhaps you should try some spelling variations:
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
some information » more information, time information, one information
information when » information what, information war, information wants
developpement de » developpement des, developpement durable
technology some » technology smes, technology soc, biotechnology some
a developpement » au developpement, de developpement, le developpement
when can » when a
can 5.2 » iran 5.2, oman 5.2, plan 5.2
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 some information when can 5.2 communication costs a developpement de l'afrique.*.