Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
technology 6.3.1 » technology 3.1, technology 3.1.1, technology 3.2.1
6.3.1 inflation » 2.3.1 inflation, 3.3.3 inflation, 5.4.1 inflation
inflation past » inflation part, inflation pt, inflation das
development li » development lid, development lie, development lin
cost export » costs export, pst export, boost exports
li afrique » l afrique, en afrique
past case » east case, past based, test case
case 4.2 » case 4.1, case 2

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

• Adding a wildcard symbol may retrieve word variants: technology 6.3.1 inflation past case 4.2 communication cost export development li afrique.*.