Perhaps you should try some spelling variations:
2.2.3 communication » 12.2.4 communication, 3.2 communication, 2.7 communication
inflation target » inflation targeting, inflation rate, inflation rates
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
species 2.2.3 » species 4.2.3, species 8.2.3, species 2.4.2.3
l afrique » en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation target species 2.2.3 communication costs a developpement l afrique.*.