Perhaps you should try some spelling variations:
vector interactions » sector interactions, vector interaction, actor interactions
techniques vector » techniques section, techniques history, techniques deduction
interactions cost » interactions case, interactions best, interactions across
pt communication » put communication, et communication, post communication
4.1 development » 3.1 development, 2.1 development, 2.3 development
development li » development lid, development lie, development lin
li afrique » l afrique, en afrique
cost data » test data
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
data pt » data part, data pre

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

• Adding a wildcard symbol may retrieve word variants: techniques vector interactions cost data pt communication costs 4.1 development li afrique.*.