Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
inflation rates » inflation rate
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
rates private » rate private, patents private, related private
private 2.3 » private 3.3, private 1.1, private 1.2
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation rates private 2.3 communication costs le developpement en afrique.*.