Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
developpement en » developpement et, developpement des, developpement de
2 developpement » de developpement, le 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
und prices » fund prices, land prices, bond prices
prices 3.5 » prices 3.1, prices 3.2, prices 7.5
paper 2 » paper _, paper i, paper 1

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 3.5 communication paper 2 developpement en afrique.*.