Perhaps you should try some spelling variations:
2.3.1 communications » 2.3.1.1 communication, 2.3 communication, 3.1 communication
communications case » communication case, communications can, communications code
developpement en » developpement et, developpement des, developpement de
d developpement » de developpement, du developpement, le developpement
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
index places » index place, index plates, deux places
places 2.3.1 » phases 2.3.1, places 3.1, places 4.4.1
case d » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation index places 2.3.1 communications case d developpement en afrique.*.