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
targeting reduce » targeting regime, targeting regimes, targeting results
rates developing » crises developing
developing en » developing e, developing eq, developing egg
technology d » technology 1, technology 3, technology 4
d inflation » _ inflation, 2 inflation, 6 inflation
cost rates » out rates, cost ratio, cost raws

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

• Adding a wildcard symbol may retrieve word variants: technology d inflation targeting reduce 3.2 communication cost rates developing en afrique.*.