Perhaps you should try some spelling variations:
3.3.2 communication » 3.4.2 communication, 3.2.3.2 communication, 13.3.9 communication
technology debts » technology debate, technology data, technology dlt
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
debts inflation » der inflation, does inflation, debt deflation
inflation taxes » inflation rates, inflation tax, inflation targets
taxes past » states past, sales past, times past
past 3.3.2 » past 5.3.2, east 3.3.4, past 1.1.2
de afrique » de l'afrique, en afrique, l afrique
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology debts inflation taxes past 3.3.2 communication costs le developpement de afrique.*.