Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
inflation target » inflation targeting, inflation rate, inflation rates
developpement de » developpement des, developpement durable
technology log » technology lag, technology low, technology law
log inflation » low inflation, local inflation, lower inflation
target date » target rate, target range
date mobile » das mobile, case mobile, day mobile
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology log inflation target date mobile communications costs _ developpement de afrique.*.