Perhaps you should try some spelling variations:
chemistry studies » chemistry study, chemical studies
chemistry special » chemistry chemical, chemistry section, chemistry space
chemistry series » chemistry species, chemistry sources, chemistry sars
chemistry ethics » chemistry metrics, chemistry methods, chemistry basics
chemistry spaces » chemistry space, chemistry species, chemistry snakes
chemistry erich » chemistry metrics, chemistry africa, chemistry eco

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