Perhaps you should try some spelling variations:
developpement durable » developpement de
2.3.4 communication » 12.2.4 communication, 12.4.4 communication, 2.3 communication
a developpement » au developpement, de developpement, le developpement
technology low » technology flow, technology law, technology led
low inflation » core inflation, _ inflation
prices 2.3.4 » prices 2.3.1, prices 2.3.5, prices 2.3.6
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology low inflation _ prices 2.3.4 communication costs a developpement durable afrique.*.