Perhaps you should try some spelling variations:
technologies authors » technologies methods, technologies cohort, technology author
authors preparation » methods preparation, network preparation, antibody preparation
preparation phase » preparation stage, preparation cycle, preparation a
a communication » la communication, data communication, data communications
l developpement » le developpement, de developpement, et developpement
des afrique » en afrique, de l'afrique
der a » der _, der e
a l » a la

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

• Adding a wildcard symbol may retrieve word variants: technologies authors preparation phase der a communication a l developpement des afrique.*.