Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
communications cross » communication cross, communications costs, communication across
sensors developed » less developed
risk information » bank information, tourism information, tourist information
information part » information pt, information portal, information portals
cross sensors » cost sensors, across sectors, cross sector
iv radio » im radio, _ radio, a radio
part iv » part i, part ii, part iii

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

• Adding a wildcard symbol may retrieve word variants: technology risk information part iv radio communications cross sensors developed _ afrique.*.