Perhaps you should try some spelling variations:
11.4.1 communication » 10.4.3 communication, 12.4.4 communication, 13.4.5 communication
de developpement » sme development
developpement de » developpement des, developpement durable
technology gap » technology 1, technology 2.2, technology 3
inflation bond » inflation und, inflation boys, inflation good
gap inflation » has inflation, grade inflation, rapid inflation
prices 11.4.1 » prices 11.3.1, process 11.4.1, prices 11.2.3
bond prices » food prices, land prices, world prices
de afrique » de l'afrique, en afrique, l afrique
costs de » 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 gap inflation bond prices 11.4.1 communication costs de developpement de afrique.*.