Perhaps you should try some spelling variations:
communication fermentation » communication representation, communication documentation, communication presentation
fermentation systems » representation systems, argumentation systems, documentation systems
systems specifying » systems verifying, systems specific, systems identifying
database assisted » database system, data assisted, database limited

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication fermentation systems specifying ((database assisted) or (databases bncod))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication fermentation systems specifying ((database assisted) OR (databases bncod)).
• Adding a wildcard symbol may retrieve word variants: communication fermentation systems specifying ((database assisted) or (databases bncod))*.