Perhaps you should try some spelling variations:
about polygenes » about polygons, about politeness, about polytopes
about polymers » about polygons, about pointers, soft polymers
bound polymers » bound polymer, bound polysomes, based polymers
host polymers » cost polymer, soft polymers, ucst polymers

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: ((((((about polymers) OR (bound polymers))) OR (about polygenes))) OR (host polymers)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((about polymers) OR (bound polymers))) or (about polygenes))) or (host polymers))".
• Adding a wildcard symbol may retrieve word variants: ((((((about polymers) OR (bound polymers))) or (about polygenes))) or (host polymers))*.