Perhaps you should try some spelling variations:
1920 communication » 10 communication, 12 communication, 19 communication
inflation targets » inflation target, inflation targeting, inflation rates
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
technology 4ir » technology 4, technology 4.1, technology 4.2
4ir inflation » der inflation, die inflation, aid inflation
targets kiel » targets diet, targets novel, target field
de afrique » de l'afrique, en afrique, l afrique
kiel 1920 » kiel 1973
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir inflation targets kiel 1920 communication costs 4 developpement de afrique.*.