Perhaps you should try some spelling variations:
videos information » aids information, ids information, des information
typologies videos » typologies evidence, typologie des, typologie cices
model development » local development, social development, global development
information flow » information flows
la communication » data communication, data communications
systems model » system model, system models, systems modeling
a afrique » l afrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: typologies videos information flow _ la communication systems model development a afrique.*.