Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
developpement de » developpement des, developpement durable
technology gaps » technology gap
inflation rates » inflation rate
gaps inflation » has inflation, grade inflation, rapid inflation
rates prices » water prices, gate prices, wages prices
prices 3.2 » price 3.2, prices 3.1, prices 4.2
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 rates prices 3.2 communication costs _ developpement de afrique.*.