Perhaps you should try some spelling variations:
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
rural development » social development
revolution des » revolution der, revolution die, revolution _
development en » developpement en, development menu, development eco
technology 3 » technology _, technology 1, technology 4
3 revolution » a revolution, 4 revolution, 1 revolution
des l'espace » de l'espace, dans l'espace, des espace
l'espace 1.1 » space 1.1, l'espace et, l'espace les

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

• Adding a wildcard symbol may retrieve word variants: technology 3 revolution des l'espace 1.1 communication _ rural development en afrique.*.