Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
4.3 communication » 2.3 communication, 4.1 communication, 4 communication
south development » youth development, dough development, route development
inflation rates » inflation rate
development lie » development life, development li, development lid
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
rates changes » rate changes, rates changed, rate change
changes 4.3 » changes 2.3, changes 4.2, change 4.3
lie afrique » l afrique

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 changes 4.3 communication cost south development lie afrique.*.