Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
model development » local development, social development, global development
a communication » la communication, data communication, data communications
technologie de » technologies de, technologie der, technologie die
infection data » infection rate, infection rates, section data
de infection » de infeccion, de l'infection, des infections
data spaces » data sources
1 afrique » l afrique, en afrique, 1 enrique
spaces a » spaces _, spaces 3, spaces 1

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

• Adding a wildcard symbol may retrieve word variants: technologie de infection data spaces a communication cost model development 1 afrique.*.