Perhaps you should try some spelling variations:
modern communication » modern communications, modern communicator, modeling communication
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
technology 3 » technology _, technology 1, technology 4
trade modern » trade models, trade model, trade mode
3 inflation » _ inflation, 2 inflation, 6 inflation
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 3 inflation _ trade modern communication costs 4 developpement en afrique.*.