Perhaps you should try some spelling variations:
technologies methods » technologies authors, technologies ethics, technology methods
methods preparation » methods population
preparation phase » preparation stage, preparation cycle, preparation a
developpement en » developpement et, developpement des, developpement de
a communication » la communication, data communication, data communications
l developpement » le developpement, de developpement, et developpement
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 methods preparation phase der a communication a l developpement en afrique.*.