Perhaps you should try some spelling variations:
4.4 communication » 5.4 communication, 4.1 communication, 1.4 communication
technology gaps » technology gap
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
gaps inflation » has inflation, grade inflation, rapid inflation
inflation a » inflation _, inflation tax, inflation rate
price 4.4 » price 2.3, practice 4.4
l afrique » en afrique
a price » a primer
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation a price 4.4 communication costs 4 developpement l afrique.*.