Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
developpement du » developpement de, developpement des, developpement et
4 developpement » de developpement, le developpement, et developpement
technology 2.2 » technology _, technology 1, technology 3
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
du afrique » en afrique, l afrique, de l'afrique
rice 3.2 » price 3.2, rice 3.1, rice 3.3
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 2.2 inflation _ rice 3.2 communication costs 4 developpement du afrique.*.