Perhaps you should try some spelling variations:
chemistry studies » chemistry study, chemical studies
chemistry species » chemistry specimen, chemistry series, chemistry spaces
chemistry special » chemistry social, chemistry chemical, chemistry section
chemistry ethics » chemistry metrics, chemistry methods, chemistry basics
chemistry erich » chemistry metrics, chemistry africa, chemistry series
chemistry sars » chemistry sets, chemistry spps, chemistry sr

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: "((((\"advances in ((chemistry sars) OR (chemistry studies))\") or (\"advances in ((chemistry erich) OR (chemistry ethics))\"))) or (\"advances in ((chemistry species) OR (chemistry special))\"))".
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((((\\"advances in ((chemistry sars) or (chemistry studies))\\") or (\\"advances in ((chemistry erich) OR (chemistry ethics))\\"))) or (\\"advances in ((chemistry species) or (chemistry special))\\"))\"".
• Removing quotes may allow a broader search: (((( advances in ((chemistry sars) or (chemistry studies)) ) or ( advances in ((chemistry erich) OR (chemistry ethics)) ))) or ( advances in ((chemistry species) or (chemistry special)) )).