Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
key communication » grey communication, de communication, why communication
gets information » get information, tests information, news information
information some » information source, information stored, information space
technology gets » technology meets, technology gaps, technology budgets
envelopment l » development li, development 1
advice key » device key
cost data » test data
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: technology gets information some advice key communication cost data envelopment l afrique.*.