Perhaps you should try some spelling variations:
chemistry specimen » chemistry species, chemistry sediment, chemistry special
chemistry studies » chemistry study, chemical studies
chemistry series » chemistry species, chemistry sources, chemistry erich

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