Perhaps you should try some spelling variations:
series information » business information
communication cost » communication costs, communication costa, communications costs
3.2 communication » 3 communication, 2.3 communication, de communication
information when » information what, information war, information wants
some development » sme development, women development, site development
development li » development lid, development lie, development lin
li afrique » l afrique, en afrique
when case » when base, women case, when can
case 3.2 » case 4.2, case 3.1, case 5.2

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

• Adding a wildcard symbol may retrieve word variants: technology series information when case 3.2 communication cost some development li afrique.*.