Perhaps you should try some spelling variations:
process communication » protest communication, project communication, prone communication
matter interaction » computer interaction, matter introduction, user interaction
techniques matter » techniques chapter, techniques adapted, techniques based
interaction pet » interaction pt, interaction ports, interaction term
development li » development lid, development lie, development lin
4 development » 2 development, 4 developing
data process » data press, data processing, data problems
li afrique » l afrique, en afrique
pet data » det data, set data, debt data
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: techniques matter interaction pet data process communication costs 4 development li afrique.*.