Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.2 communication » 3 communication, 2.3 communication, de communication
developpement en » developpement et, developpement des, developpement de
l developpement » le developpement, de developpement, et developpement
inflation und » inflation index, inflation _, inflation tax
und rache » und rachel, und race, und sprache
rache 3.2 » oracle 3.2, fiche 3.2, rache 5.3
phase l » phase 1, phase _, phase 2

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation und rache 3.2 communication phase l developpement en afrique.*.