Perhaps you should try some spelling variations:
communication model » communication media
information gaps » information gap
development case » development china
way development » why development, play development, key development
model way » model why, models ways, model what
gaps do » games do, gaps how, gaps vom
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 _ information gaps do risk communication model way development case afrique.*.