Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information based » information case, information bank, transformation based
2 communication » 3 communication, 4 communication, 1 communication
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing iv » developing av, developing ict, developing cil
technology 1 » technology _
based debt » based deep, based direct
iv africa » v africa, 1 africa, em africa
debt 2 » debt _, debt a, debt 1

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information based debt 2 communication cost 2.4 developing iv africa.*.