Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
developpement 2.3 » development 2.3, developpement 1.4, development 2.1
inflation und » inflation index, inflation _, inflation tax
2.3 materials » 2.1 materials, 2.2 materials, 2 materials
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
und rice » und race, under rice, und rache
rice 3.2 » price 3.2, rice 3.1, rice 3.3

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 rice 3.2 communication costs _ developpement 2.3 materials.*.