Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.1 communications » 3.1 communications, 4.1 communication, 1.1 communication
post development » port development, test development, export development
technology gaps » technology gap
development law » development latin, development 1
gaps inflation » has inflation, grade inflation, rapid inflation
law afrique » l afrique
rate rates » rates rates, dates rates, frame rates
costs post » costs cost, costs part, costs pol
rates 2.1 » rates 1.1, rates 2.3, rates 2.4

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation rate rates 2.1 communications costs post development law afrique.*.