Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
des developpement » des developpements, de developpement, le developpement
technology users » technology use, technology series, technology transfers
inflation target » inflation targeting, inflation rate, inflation rates
users inflation » users information, der inflation, does inflation
target date » target rate, target range
des afrique » en afrique, de l'afrique
date 4.2 » daten 4.2, data 4.2, rate 4.2
case des » cases des, case das, phase des

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

• Adding a wildcard symbol may retrieve word variants: technology users inflation target date 4.2 communication case des developpement des afrique.*.