Perhaps you should try some spelling variations:
integration rights » integration eight, integration insights, integration regimes
2.3 communication » 3.2 communication, de communication, 4 communication
developpement en » developpement et, developpement des, developpement de
3 integration » die integration, der integration, data integration
rights treaty » rights treaties
technology 3 » technology _, technology 1, technology 4
treaty 2.3 » treaty 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology 3 integration rights treaty 2.3 communication costs _ developpement en afrique.*.