Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
interaction term » interaction _
la developpement » le developpement, de developpement, et developpement
developpement l » developpement il, developpement la, developpement de
3 interaction » 2 interaction, 3.2 interaction, 3.1 interaction
technology 3 » technology _, technology 1, technology 4
trade 2.2 » trade 3.2, trade 4.1
l afrique » en afrique
case la » case law, case l, case laws

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

• Adding a wildcard symbol may retrieve word variants: technology 3 interaction term trade 2.2 communication case la developpement l afrique.*.