Perhaps you should try some spelling variations:
deux developpement » deux developpements, de developpement, du developpement
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
developpement de » developpement des, developpement durable
inflation data » inflation rate, infection data, inflation das
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
sparse 3.1 » space 3.1, sparse 2.5
de farce » der farce, de arce, de force

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation data sparse 3.1 communication costs deux developpement de farce.*.