Perhaps you should try some spelling variations:
communication cross » communication costs
2.3.5 communication » 2.3 communication, 2.2.3 communication, 2.5 communication
developpement de » developpement des, developpement durable
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
prices 2.3.5 » prices 2.3.1, prices 2.3.4, prices 2.3.6
und prices » fund prices, land prices, bond prices
de afrique » de l'afrique, en afrique, l afrique
cross 2 » cross _, cross 1, cross c

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 communication cross 2 developpement de afrique.*.