Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement de » developpement des, developpement durable
technology gaps » technology gap
inflation gross » inflation across, inflation process, information gross
a developpement » au developpement, de developpement, le developpement
gaps inflation » has inflation, grade inflation, rapid inflation
gross prices » cross price, goods prices, gross proceeds
prices 6.2 » prices 3.2, prices 4.2, prices 5.2
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 gaps inflation gross prices 6.2 communication _ a developpement de afrique.*.