Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
trade development » software development
technology fund » technology from
inflation rates » inflation rate
development lid » development led, development li, development lie
fund inflation » und inflation, food inflation, fund information
costs trade » costly trade
lid afrique » l afrique
rates file » rates figure
file 3.1 » file 31, chile 3.1, agile 3.1

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

• Adding a wildcard symbol may retrieve word variants: technology fund inflation rates file 3.1 communications costs trade development lid afrique.*.