Perhaps you should try some spelling variations:
communication across » communication cross, communicating across, communication about
developing region » developing regions, developing regional, developing nations
de communication » mobile communication, online communication
rates developing » crises developing
technology 3.1 » technology 1, technology 2.2, technology _
region africa » regions africa, creation africa, action africa
across rates » across states, across ages, across parties
gap from » gaps from, map from, gdp from
from de » from dem, from deep

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

• Adding a wildcard symbol may retrieve word variants: technology 3.1 information gap from de communication across rates developing region africa.*.