Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
deux developpement » deux developpements, de developpement, du developpement
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
control prices » control process, controlled prices, control practices
technology 1 » technology _
1 infection » 19 infection, _ infection, 4 infection
des afrique » en afrique, de l'afrique
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
case deux » case des

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

• Adding a wildcard symbol may retrieve word variants: technology 1 infection control prices 3.1 communication case deux developpement des afrique.*.