Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies low » technologies allow, technologies co, technologies box
developpement de » developpement des, developpement durable
inflation rates » inflation rate
low inflation » core inflation, _ inflation
rates scale » rates cape, ratio scale, ratios scales
scale data » scales data, scarce data, scalar data
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: technologies low inflation rates scale data communications costs _ developpement de afrique.*.