Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
paths information » platas information, math information, paris information
technology paths » technology parks, technology pathways, technology park
information some » information source, information stored, information space
7 communication » 3 communication, 4 communication, de communication
envelopment l » development li, development 1
cost data » test data
l afrique » en afrique
advice 7 » advice _

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

• Adding a wildcard symbol may retrieve word variants: technology paths information some advice 7 communication cost data envelopment l afrique.*.