Perhaps you should try some spelling variations:
deux developpement » deux developpements, de developpement, du developpement
integrating world » integrated world, integrating area, integrating land
3.2 communication » 3 communication, 2.3 communication, de communication
developpement en » developpement et, developpement des, developpement de
4 integrating » _ integrating
technology 4 » technology _, technology 1, technology 3
trade 3.2 » trade 2.2, trade 2, trade 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology 4 integrating world trade 3.2 communication costs deux developpement en afrique.*.