Perhaps you should try some spelling variations:
communication cote » communication costs, communication costa, communication case
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
3.1 interaction » 3.2 interaction, 3 interaction, 2 interaction
technology 3.1 » technology 1, technology 2.2, technology _
de afrique » de l'afrique, en afrique, l afrique
trade 2.2 » trade 3.2, trade 4.1
cote la » contre la, compte la, cote les

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

• Adding a wildcard symbol may retrieve word variants: technology 3.1 interaction term trade 2.2 communication cote la developpement de afrique.*.