Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
3.2 communication » 3 communication, 2.3 communication, de communication
developing en » developing e, developing eq, developing egg
technology 6 » technology _, technology 1, technology 3
6 inflation » _ inflation, 2 inflation, d inflation
cost crises » post crises, post crisis, out crises
regime 3.2 » regime 3.1, regime 2, regime 2.1
targeting » marketing

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

• Adding a wildcard symbol may retrieve word variants: technology 6 inflation targeting regime 3.2 communication cost crises developing en afrique.*.