Perhaps you should try some spelling variations:
el developpement » et developpement, en developpement, et developpements
developpement de » developpement des, developpement durable
inflation rates » inflation rate
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
spaces mobile » success mobile, spaces mobilities
rates spaces » places spaces, papers spaces, spaces spaces
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation rates spaces mobile communication _ el developpement de afrique.*.