Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
based innovation » und innovation
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
innovation 3.1 » innovation 2.1, innovation 4.1, innovation 3.2
has written » a written, plays written, data written
la afrique » l afrique, la fabrique, en afrique
3.1 has » 3.1 phase, 3.1 hard, 3.1 hate
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies based innovation 3.1 has written communication a de developpement la afrique.*.