Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
technologies sheet » technologies ser, technologies some, technologies series
sheet information » debt information, student information, credit information
network a » network _, network 3, network 1
flows do » flows how, flows job, flows _
do risk » d risk, de risk, dam risk

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

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