Perhaps you should try some spelling variations:
4.2.4 communication » 4.2.1 communication, 4.2.2 communication, 12.2.4 communication
technology debts » technology debate, technology data, technology dlt
developpement en » developpement et, developpement des, developpement de
debts inflation » der inflation, does inflation, debt deflation
inflation frame » inflation rate, inflation from, inflation rates
a developpement » au developpement, de developpement, le developpement
frame past » frame phase, frame best
past 4.2.4 » past 1.1.4, past 4.4.6, past 5.2.2
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 debts inflation frame past 4.2.4 communication costs a developpement en afrique.*.