Perhaps you should try some spelling variations:
2.3.4 communication » 12.2.4 communication, 12.4.4 communication, 2.3 communication
developpement en » developpement et, developpement des, developpement de
inflation und » inflation index, inflation _, inflation tax
prozess 2.3.4 » process 2.3.4, prozess 5.3.4, prozess 2.1.3
technology 3 » technology _, technology 1, technology 4
3 inflation » _ inflation, 2 inflation, 6 inflation
und prozess » und prozesse

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation und prozess 2.3.4 communication costs _ developpement en afrique.*.