Perhaps you should try some spelling variations:
chemistry species » chemistry specimen, chemistry special, chemistry spaces
chemistry series » chemistry studies, chemistry sources, chemistry sars
chemistry erich » chemistry metrics, chemistry africa, chemistry ethics

Try widening your search to All Fields.

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: %22advances in ((((chemistry series) OR (chemistry erich))) OR (chemistry species))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22advances in ((((chemistry series) OR (chemistry erich))) or (chemistry species))%22".
• Adding a wildcard symbol may retrieve word variants: %22advances in ((((chemistry series) OR (chemistry erich))) or (chemistry species))%22*.