Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement en » developpement et, developpement des, developpement de
inflation under » inflation index, inflation und, inflation der
l developpement » le developpement, de developpement, et developpement
technology 3 » technology _, technology 1, technology 4
3 inflation » _ inflation, 2 inflation, 6 inflation
under rice » under rise, under river, under risk
rice 4.1 » rice 2.1, rice 3.1, rice 1
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 3 inflation under rice 4.1 communication phase l developpement en afrique.*.