Perhaps you should try some spelling variations:
about polymers » about polygenes, about polygons, about pointers
bound polymers » bound polymer, bound polysomes, based polymers
cost polymer » host polymers, soft polymer, cnt polymer
cnt polymers » cnt polymer, ucst polymers, plant 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 (((cost polymer) OR (cnt polymers)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((about polymers) OR (bound polymers))) or (((cost polymer) or (cnt polymers))))".
• Adding a wildcard symbol may retrieve word variants: ((((about polymers) OR (bound polymers))) or (((cost polymer) or (cnt polymers))))*.