Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.1 communications » 4.1 communication, 3.1 communications, 4.1 communicating
information rates » information states, information ratio, information rules
risk information » bank information, tourism information, tourist information
del development » model development, delta development, well development
development lie » development life, development li, development lid
lie afrique » l afrique
costs del » costa del, costo del
have 4.1 » have 9.1, have 5.3

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

• Adding a wildcard symbol may retrieve word variants: technology risk information rates have 4.1 communications costs del development lie afrique.*.