Perhaps you should try some spelling variations:
space integration » spaces integration, scale integration, trade integration
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
technology space » technology state, technology scale, technology impact
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
race 6.2 » grace 6.2, race 4.2, race 6.4
a race » _ race

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

• Adding a wildcard symbol may retrieve word variants: technology space integration a race 6.2 communication costs _ developpement l afrique.*.