Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information case » information based, information can, information costs
4 communication » 3 communication, 5.4 communication, de communication
3.4 developing » 13.4 developing, 3.3 developing, 3.2 developing
developing amp » developing a, developing ai, developing av
case debating » based rebating, case setting, love debating
debating 4 » debating _
amp africa » em africa, wup africa
cost 3.4 » cost 2.4, cost 3.2, cost 3.5

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

• Adding a wildcard symbol may retrieve word variants: technology _ information case debating 4 communication cost 3.4 developing amp africa.*.