Perhaps you should try some spelling variations:
mine development » sme development, trade development, business development
rejection rates » rejection rate, retention rates, reaction rates
technology set » technology sector, technology 1, technology 2.2
development de » development d, development ds, developpement de
set rejection » test rejection, _ rejection, 4.3 rejection
costs mine » costs money, costs timing
de afrique » de l'afrique, en afrique, l afrique
rates des » rates der, rates fees, rates d

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

• Adding a wildcard symbol may retrieve word variants: technology set rejection rates des _ communication costs mine development de afrique.*.