Perhaps you should try some spelling variations:
c's communication » lea's communication, class communication, mass communication
interaction cost » interaction counts, interaction about, interaction how
2.1 development » 3.1 development, 2.3 development, 2.2 development
development led » development lid, development leads, development land
technologies a » technologies _, technologies 4, technologies 2
a interaction » ai interaction, 2 interaction, 3 interaction
led afrique » en afrique, l afrique
cost data » test data
costs 2.1 » costs 2.3, costs 4.1, costs 2.2
data c's » data case, data can, data car

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

• Adding a wildcard symbol may retrieve word variants: technologies a interaction cost data c's communication costs 2.1 development led afrique.*.