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 de » developpement des, developpement durable
3.2 interaction » 3.2 introduction, face interaction
technology 3.2 » technology 2.2, technology 3.1, technology 2
de afrique » de l'afrique, en afrique, l afrique
trade 2.2 » trade 3.2, trade 4.1
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 3.2 interaction term trade 2.2 communication case la developpement de afrique.*.