Perhaps you should try some spelling variations:
1961 communication » 1.1 communication, 19 communication, 1 communication
inflation targets » inflation target, inflation targeting, inflation rates
technology voice » technology choice, technology choices, technology volume
developpement de » developpement des, developpement durable
voice inflation » price inflation, core inflation, die inflation
a developpement » au developpement, de developpement, le developpement
de afrique » de l'afrique, en afrique, l afrique
targets a » targets _, targets 5, targets 3
costs a » costs _, costs 4
a 1961 » a 1966, a 1969

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

• Adding a wildcard symbol may retrieve word variants: technology voice inflation targets a 1961 communication costs a developpement de afrique.*.