Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
power development » water development, career development, hydropower development
information how » information 2, information 1, information 1.2
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
costs power » cost power, costs per, costs peter
china data » china update, chinese data
1 afrique » l afrique, en afrique, 1 enrique

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

• Adding a wildcard symbol may retrieve word variants: technologies a information how china data communications costs power development 1 afrique.*.