Perhaps you should try some spelling variations:
11.6 communication » 1.1 communication, 1.3 communication, 1.4 communication
developpement la » developpement de, developpement et, developpement du
inflation rates » inflation rate
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
rates spaces » places spaces, papers spaces, spaces spaces
spaces 11.6 » spaces 11.1, spaces 11.3, spaces 1.1
la afrique » l afrique, la fabrique, en 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 11.6 communication costs _ developpement la afrique.*.