Perhaps you should try some spelling variations:
biophysical societies » biophysical society, biophysical properties, biophysical studies
physical societies » physical sciences, physical society, chemical societies
robert walt » robert watt, robert wait, robert walter

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: robert walt (((physical societies) OR (biophysical societies))).
• Adding a wildcard symbol may retrieve word variants: robert walt (((physical societies) or (biophysical societies)))*.