Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
technology 4ir » technology 4, technology 4.1, technology 4.2
costs resource » cost resource, coastal resource, crisis resource
development li » development lid, development lie, development lin
4ir inflation » der inflation, die inflation, aid inflation
li afrique » l afrique, en afrique
cash 3.1 » case 3.1, cash 3.2, cash 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir inflation _ cash 3.1 communications costs resource development li afrique.*.