Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
technology rate » technology state, technology role, technology related
a developpement » au developpement, de developpement, le developpement
rate inflation » grade inflation, wage inflation, age inflation
targeting a » targeting _, targeting how
des afrique » en afrique, de l'afrique
costs a » costs _, costs 4
a 4.2 » a 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology rate inflation targeting a 4.2 communication costs a developpement des afrique.*.