Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
developpement de » developpement des, developpement durable
inflation trade » inflation rate, inflation rates, inflation tax
a developpement » au developpement, de developpement, le developpement
technology 3.2 » technology 2.2, technology 3.1, technology 2
3.2 inflation » 12 inflation, 2.3 inflation, 3.2 isolation
trade date » trade data, matrade dato
date 2.3 » daten 2.3, data 2.3, rate 2.3
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 3.2 inflation trade date 2.3 communication costs a developpement de l'afrique.*.