Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologies rate » technologies create, technologies ret, technologies case
power development » water development, career development, hydropower development
rate information » trade information, care information, age information
information gaps » information gap
cost power » cost per, soft power
gaps edge » cps edge
a afrique » l afrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies rate information gaps edge _ communication cost power development a afrique.*.