Perhaps you should try some spelling variations:
12.4 communication » 1.4 communication, 2.4 communication, 12.2.4 communication
4.2 developpement » 4.2 development, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technology rich » technology risk, technology africa, technology rights
rich inflation » price inflation, high inflation, die inflation
inflation a » inflation _, inflation tax, inflation rate
case 12.4 » case 1.4, case 2.4, case 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology rich inflation a case 12.4 communication costs 4.2 developpement en afrique.*.