Perhaps you should try some spelling variations:
power development » water development, career development, hydropower development
technologies can » technologies a, technologies co, technologies _
can information » von information, von informationen
costs power » cost power, costs per, costs peter
flows do » flows how, flows job, flows _
do mass » does mass, low mass, how mass

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies can information flows do mass communication costs power development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies can information flows do mass communication costs power development _ afrique.*.