Perhaps you should try some spelling variations:
communications case » communication case, communications can, communications code
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
developpement en » developpement et, developpement des, developpement de
d developpement » de developpement, du developpement, le 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
und prices » fund prices, land prices, bond prices
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
case d » case 1, case 2, case 3

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 3.1 communications case d developpement en afrique.*.