Perhaps you should try some spelling variations:
1990 communication » 10 communication, 19 communication, 1 communication
developpement en » developpement et, developpement des, developpement de
technology flow » technology low, technology from, technology food
inflation trade » inflation rate, inflation rates, inflation tax
a developpement » au developpement, de developpement, le developpement
flow inflation » low inflation, food inflation, log inflation
trade chile » trade china, trade cycle
chile 1990 » chile 1960, chile 1995, chile 1950
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 flow inflation trade chile 1990 communication costs a developpement en afrique.*.