Perhaps you should try some spelling variations:
deux developpements » des developpements, de developpement, du developpement
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
developpements la » developpement la, developpements de, developpement de
infection data » infection rate, infection rates, section data
technology 1 » technology _
1 infection » 19 infection, _ infection, 4 infection
sparse 3.1 » space 3.1, sparse 2.5
la farce » la force, la face, la france

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

• Adding a wildcard symbol may retrieve word variants: technology 1 infection data sparse 3.1 communication costs deux developpements la farce.*.