Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
inflation target » inflation targeting, inflation rate, inflation rates
developpement de » developpement des, developpement durable
technology has » technology hard, technology have, technology how
has inflation » how inflation, u.s inflation, cases inflation
species 2.1 » species 12.1, species 2.3, species 7.1
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: technology has inflation target species 2.1 communication costs _ developpement de afrique.*.