Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
2.5 communication » 2.3 communication, 2.7 communication, 3.5 communication
developpement en » developpement et, developpement des, developpement de
inflations land » inflations und, inflation can, inflation linked
3 developpement » de developpement, le developpement, et developpement
technology 3 » technology _, technology 1, technology 4
3 inflations » ii inflations, im inflations, 2 inflation
prices 2.5 » prices 2.4, prices 2.1, prices 2.3
phase 3 » 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 3 inflations land prices 2.5 communication phase 3 developpement en afrique.*.