Perhaps you should try some spelling variations:
chemistry sources » chemistry courses, chemistry surfaces, chemistry studies
chemistry series » chemistry species, chemistry studies, chemistry erich
chemical studies » biochemical studies, clinical studies, classical studies

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 (\"advances in ((chemistry sources) OR (chemical studies))\"))".
• Removing quotes may allow a broader search: (( advances in chemistry series ) or ( advances in ((chemistry sources) or (chemical studies)) )).