Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
yemen development » women development, uneven development, human development
inflation wages » inflation rates, inflation taxes, inflation targets
development li » development lid, development lie, development lin
wages case » ages case, wages close, cases case
li afrique » l afrique, en afrique
case 3.2 » case 4.2, case 3.1, case 5.2

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

• Adding a wildcard symbol may retrieve word variants: technologie _ inflation wages case 3.2 communication costs yemen development li afrique.*.