Perhaps you should try some spelling variations:
communication models » communications models, communication model, communication modes
la communication » data communication, data communications
used development » use development, based development, nosed development
about other » about them, out other
models used » model used, models based, models united
a afrique » l afrique, en afrique
other la » other law, other a, other land

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information about other la communication models used development a afrique.*.