Perhaps you should try some spelling variations:
documentation 2 » documentation _, documentation a, documentation 4
documentation 3 » documentation _, documentation a, documentation 4
documentation 1 » documentation _, documentation a, documentation 4
fcrn binding » actin binding, ca2 binding, iron binding
binding a » binding _, binding data

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: fcrn binding a ((((documentation 2) OR (documentation 3))) OR (documentation 1)) curtan-metragem~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fcrn binding a ((((documentation 2) OR (documentation 3))) or (documentation 1)) curtan-metragem~".
• Adding a wildcard symbol may retrieve word variants: fcrn binding a ((((documentation 2) OR (documentation 3))) or (documentation 1)) curtan-metragem*.