Perhaps you should try some spelling variations:
communication improves » communication improve, communication improvement, communication process
information 18.2 » information 1.2, information 15.2, information 11.2
developpement il » developpement de, developpement et, developpement du
1 developpement » de developpement, le developpement, et developpement
technologies 2 » technologies _, technologies 4
improves 1 » improves _, improve _, improve a
il afrique » l afrique, en afrique
18.2 does » 13.2 does, 18.3 does, 12 does

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 18.2 does _ communication improves 1 developpement il afrique.*.