Perhaps you should try some spelling variations:
2.3.5 communications » 2.3 communication, 3.5 communication, 2.5 communication
communications case » communication case, communications can, communications code
developpement en » developpement et, developpement des, developpement de
l developpement » le developpement, de developpement, et developpement
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
inflation und » inflation index, inflation _, inflation tax
prices 2.3.5 » prices 2.3.1, prices 2.3.4, prices 2.3.6
und prices » fund prices, land prices, bond prices
case l » case la, case 1, case 2

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation und prices 2.3.5 communications case l developpement en afrique.*.