Perhaps you should try some spelling variations:
chemistry specimen » chemistry sediment, chemistry special, chemistry specific
chemistry metrics » chemistry methods, chemistry optics, chemistry materials
chemistry species » chemistry special, chemistry spaces, chemistry specific
chemistry series » chemistry studies, chemistry sources, chemistry seeing
chemistry erich » chemistry africa, chemistry ethics, chemistry eco
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 series) OR (chemistry erich))) OR (chemistry sars))\") or (\"advances in chemistry metrics\"))) or (\"advances in ((chemistry species) OR (chemistry specimen))\"))".
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((((\\"advances in ((((chemistry series) OR (chemistry erich))) or (chemistry sars))\\") or (\\"advances in chemistry metrics\\"))) or (\\"advances in ((chemistry species) or (chemistry specimen))\\"))\"".
• Removing quotes may allow a broader search: (((( advances in ((((chemistry series) OR (chemistry erich))) or (chemistry sars)) ) or ( advances in chemistry metrics ))) or ( advances in ((chemistry species) or (chemistry specimen)) )).