Perhaps you should try some spelling variations:
flavonoidses » flavonoides, flavonoids, flavanoids, flavonoidsses
flavonoidssses » flavonoides, flavonoidsssses
flavomoids » flavonoids, flavanoids, biflavonoids
flavonois » flavonoids, flavonols, flavonoides
flavonoid » flavonoids
flavanoid » flavonoids

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((flavonoidses OR flavonoidssses) OR flavomoids) OR flavonois) OR flavonoid) OR flavanoid)~.
• Adding a wildcard symbol may retrieve word variants: (((((flavonoidses or flavonoidssses) or flavomoids) or flavonois) or flavonoid) or flavanoid)*.