Perhaps you should try some spelling variations:
3.2.3.2 communication » 3.2.3 communication, 3.3.2 communication, 6.2.4.2 communication
communication case » communications case, communication based, communication phase
technology o140 » technology 1
inflation rates » inflation rate
1 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
o140 inflation » 10 inflation, 12 inflation, over inflation
raise 3.2.3.2 » case 3.2.3.3, rs1 3.2.3.2
l afrique » en afrique

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• Adding a wildcard symbol may retrieve word variants: technology o140 inflation rates raise 3.2.3.2 communication case 1 developpement l afrique.*.