Perhaps you should try some spelling variations:
4.2.2 communication » 4.2.1 communication, 4.2.4 communication, 8.2.2 communication
developpement de » developpement des, developpement durable
technology data » technology dlt, technology debate, technology debts
inflation taxes » inflation rates, inflation tax, inflation targets
4 developpement » de developpement, le developpement, et developpement
data inflation » rate inflation, data information, data innovation
taxes case » states case, ages case, cases case
case 4.2.2 » coase 4.2.2, case 4.3.2, case 4.6.2
de afrique » de l'afrique, en afrique, l afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology data inflation taxes case 4.2.2 communication costs 4 developpement de afrique.*.