Perhaps you should try some spelling variations:
communication cost » communication costs, communications costs, communication mode
based information » based innovation, land information, care information
technology based » technology parks, technology park
development co » development _, development a, development case
a development » _ development, clean development, asian development
de mobile » does mobile, _ mobile, a mobile
cost a » costs a, cost _

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

• Adding a wildcard symbol may retrieve word variants: technology based information _ de mobile communication cost a development co afrique.*.