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 rice » und race, under rice, und rache
rice 3.2 » price 3.2, rice 3.1, rice 3.3
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 rice 3.2 communication phase l developpement en afrique.*.