Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
power development » water development, career development, hydropower development
rate information » trade information, care information, age information
technology rate » technology state, technology role, technology related
information has » information have, information how, information 2
costs power » cost power, costs per, costs peter
has price » gas price, gas prices, has nice
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: technology rate information has price data communications costs power development a afrique.*.