Perhaps you should try some spelling variations:
11.4.1 communication » 10.4.3 communication, 12.4.4 communication, 13.4.5 communication
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
process 11.4.1 » process 1.3.1, process 11.2.2, process 4.4.1
inflation und » inflation index, inflation _, inflation tax
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
und process » und prozess, undue process, und prozesse
de afrique » de l'afrique, en afrique, l afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation und process 11.4.1 communication costs 4 developpement de afrique.*.