Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
information when » information what, information war, information wants
mine development » sme development, trade development, business development
development du » development d, development ds, developpement du
methodology 3 » methodology 4
3 information » 1 information
costs mine » costs money, costs timing
du afrique » en afrique, l afrique, de l'afrique
when cas » when can, when cap, when base
cas 4.1 » case 4.1, cash 4.1, cast 4.1

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

• Adding a wildcard symbol may retrieve word variants: methodology 3 information when cas 4.1 communication costs mine development du afrique.*.