Perhaps you should try some spelling variations:
10.2.4 communication » 12.2.4 communication, 10.4.3 communication, 12.4.4 communication
amy developpement » au developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
technology 110 » technology 10, technology 11, technology 11.2
110 inflation » 10 inflation, 12 inflation, 10.7 inflation
prices 10.2.4 » process 10.2.4, prices 11.2.3, prices 14.3.4
de afrique » de l'afrique, en afrique, l afrique
costs amy » costs a

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• Adding a wildcard symbol may retrieve word variants: technology 110 inflation _ prices 10.2.4 communication costs amy developpement de afrique.*.