Perhaps you should try some spelling variations:
2.3.6 communication » 2.3 communication, 2.2.3 communication, 2.8.3 communication
communication phase » communication case, communication based, communication paper
11 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
inflation gas » inflation das, inflation bias, inflation tax
technology 2 » technology _, technology 1, technology 3
prices 2.3.6 » prices 2.3.1, prices 2.3.4, prices 2.3.5
2 inflation » 12 inflation, _ inflation, 6 inflation
l afrique » en afrique
phase 11 » phase 1, phase 10, phase 11.3

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

• Adding a wildcard symbol may retrieve word variants: technology 2 inflation gas prices 2.3.6 communication phase 11 developpement l afrique.*.