Perhaps you should try some spelling variations:
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
del developpement » de developpement, des developpements, le developpement
technology cases » technology case, technology based, technology costs
developpement en » developpement et, developpement des, developpement de
cases inflation » taxes inflation, wages inflation, core inflation
inflation rates » inflation rate
rates date » rates data, rates rates, rates have
date 3.1 » daten 3.1, data 3.1, debate 3.1

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

• Adding a wildcard symbol may retrieve word variants: technology cases inflation rates date 3.1 communications _ del developpement en afrique.*.