Perhaps you should try some spelling variations:
1973 communication » 13 communication, 1.3 communication, 19 communication
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
technology 4ir » technology 4, technology 4.1, technology 4.2
4ir inflation » der inflation, die inflation, aid inflation
rate cars » rate caps, rate chaos, rate cap
cars 1973 » cara 1973, can 1973, lars 1970
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir inflation rate cars 1973 communication costs a developpement en afrique.*.