Perhaps you should try some spelling variations:
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
inflation targets » inflation target, inflation targeting, inflation rates
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
technology hard » technology has, technology have, technology hydro
hard inflation » aid inflation, has inflation, hybrid inflation
targets rice » target price, targets rule, target prices
de afrique » de l'afrique, en afrique, l afrique
rice 3.1 » rice 2.1, rice 3.3, rice 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology hard inflation targets rice 3.1 communications _ et developpement de afrique.*.