Perhaps you should try some spelling variations:
mining development » mine development, housing development
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology high » technology rights, technology how, technology help
inflation rates » inflation rate
development l » development li, development 1, development law
costs mining » costs missing, costs timing, costs defining
whose 2.7 » whose 20.4, whole 2.1
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology high inflation rates whose 2.7 communication costs mining development l afrique.*.