Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
3.2 communication » 3 communication, 2.3 communication, de communication
developpement du » developpement de, developpement des, developpement et
technology rate » technology state, technology role, technology related
inflation rates » inflation rate
rate inflation » grade inflation, wage inflation, age inflation
rates rates » rates notes
du afrique » en afrique, l afrique, de l'afrique
rates 3.2 » rates 4.2, rates 5.2, states 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 rates rates 3.2 communication a leur developpement du afrique.*.