Perhaps you should try some spelling variations:
2.3.4 communication » 12.2.4 communication, 12.4.4 communication, 2.3 communication
communication phase » communication case, communication based, communication paper
ii developpement » de developpement, le developpement, et developpement
innovation food » innovation from, innovation fund, innovation funds
developpement l » developpement il, developpement la, developpement de
technology 2 » technology _, technology 1, technology 3
prices 2.3.4 » prices 2.3.1, prices 2.3.5, prices 2.3.6
l afrique » en afrique
phase ii » phase i, phase 1, phase _

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

• Adding a wildcard symbol may retrieve word variants: technology 2 innovation food prices 2.3.4 communication phase ii developpement l afrique.*.