Perhaps you should try some spelling variations:
"zebra danio membranes physiology." » "zebra danio membrane physiology.", "zebra danio membranes biology.", "zebra danio vertebrates physiology.", "zebra nano membranes physiology.", "zebra aao membranes physiology.", "zebra bio membranes physiology.", "debra danio membranes physiology."
"zebra two membranes physiology." » "zebra two membrane physiology.", "zebra two membranes biology.", "zebra two vertebrates physiology.", "zebra _ membranes physiology.", "zebra 2 membranes physiology.", "zebra 3 membranes physiology.", "debra two membranes physiology."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("zebra danio membranes physiology.") or ("zebra two membranes physiology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("zebra danio membranes physiology.") OR ("zebra two membranes physiology.")).
• Removing quotes may allow a broader search: (( zebra danio membranes physiology. ) or ( zebra two membranes physiology. )).
• Adding a wildcard symbol may retrieve word variants: (("zebra danio membranes physiology.") or ("zebra two membranes physiology."))*.