Perhaps you should try some spelling variations:
technologies policy » technologies policies, technology policy, technologies applied
communication model » communication media
policy information » policy formation, public information, policy innovation
4.0 development » 3.1 development, 3.2 development, 2.3 development
model 4.0 » model 4.10, model 4.2, model 4.3
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.

• Adding a wildcard symbol may retrieve word variants: technologies policy information flows do risk communication model 4.0 development _ afrique.*.