Perhaps you should try some spelling variations:
sums developpement » du developpement, au developpement, ou developpement
communication case » communications case, communication based, communication phase
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology gaps » technology gap
inflation rates » inflation rate
developpement l » developpement il, developpement la, developpement de
gaps inflation » has inflation, grade inflation, rapid inflation
rates file » rates figure
case sums » parse sums, case sub
l afrique » en afrique
file 2.7 » file 27, files 2.6, file 17

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 file 2.7 communication case sums developpement l afrique.*.