Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
2.3 communication » 3.2 communication, de communication, 4 communication
inflation und » inflation index, inflation _, inflation tax
technology 6 » technology _, technology 1, technology 3
6 inflation » _ inflation, 2 inflation, d inflation
des afrique » en afrique, de l'afrique
und rache » und rachel, und race, und sprache
rache 2.3 » rache 5.3, machen 2.3, oracle 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology 6 inflation und rache 2.3 communication phase _ developpement des afrique.*.