Perhaps you should try some spelling variations:
technologies methods » technologies authors, technologies ethics, technology methods
methods preformation » methods preparation, method presentation
preformation phase » formation phase, preparation phase, presentation phase
des developpement » des developpements, de developpement, le developpement
developpement et » developpement des, developpement de, development east
et afrique » en afrique, l afrique
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies methods preformation phase der _ communication a des developpement et afrique.*.