Perhaps you should try some spelling variations:
11.1.1 communication » 11.4.1 communication, 13.3.10 communication, 2.3.1.1 communication
au developpement » du developpement, de developpement, le developpement
technology gap » technology 1, technology 2.2, technology 3
primary 11.1.1 » primer 11.1.1
gap inflation » has inflation, grade inflation, rapid inflation
inflation pt » inflation _, inflation a, inflation 1
des afrique » en afrique, de l'afrique
pt primary » post primary, pre primary, net primary
costs au » costs a, costs amy, costs _

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation pt primary 11.1.1 communication costs au developpement des afrique.*.