Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
based instruction » radio instruction, assisted instruction
instruction based » instruction sets
its development » gas development, skills development, editions development
development li » development lid, development lie, development lin
based advice » bad advice, based service, based devices
li afrique » l afrique, en afrique
costs its » costs ii, costs iii

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

• Adding a wildcard symbol may retrieve word variants: technology based instruction based advice _ communications costs its development li afrique.*.