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