Perhaps you should try some spelling variations:
3.4 communication » 5.4 communication, 3.2 communication, 3.5 communication
developpement de » developpement des, developpement durable
formation after » information after, formation chapter, formation acteurs
technology und » technology fund, technology used, technology use
und formation » und information, und reformation, band formation
after class » after crises, after crisis
de fabrique » la fabrique, de l'afrique
class 3.4 » class 3.3, class 1.4, class 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology und formation after class 3.4 communication costs _ developpement de fabrique.*.