Perhaps you should try some spelling variations:
mastery interaction » matter interaction, material interaction, actor interaction
technology mastery » technology transters, technology chapters, technology clusters
interaction term » interaction _
3 communication » 4 communication, de communication, data communication
a developpement » au developpement, de developpement, le developpement
des afrique » en afrique, de l'afrique
costs a » costs _, costs 4
risk 3 » risk _, risk a

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

• Adding a wildcard symbol may retrieve word variants: technology mastery interaction term risk 3 communication costs a developpement des afrique.*.