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

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 asian development co afrique.*.