Perhaps you should try some spelling variations:
13.3 communication » 1.3 communication, 3.3 communication, 13.3.9 communication
der developpement » de developpement, des developpements, leur developpement
population space » population share, population since, population impact
developpement l » developpement il, developpement la, developpement de
technology mit » technology meets, technology 1, technology 2.2
mit population » list population, meet population, host population
space space » space place, place space, space race
space 13.3 » spaces 13.3, space 3.3, space 13.4
l afrique » en afrique
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technology mit population space space 13.3 communication a der developpement l afrique.*.