Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
developpement de » developpement des, developpement durable
technology rich » technology risk, technology africa, technology rights
rich inflation » price inflation, high inflation, die inflation
targeting als » targeting lars, targeting a, targeting alpha
de afrique » de l'afrique, en afrique, l afrique
als 4.2 » goals 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology rich inflation targeting als 4.2 communication costs _ developpement de afrique.*.