Perhaps you should try some spelling variations:
chemistry series » chemistry species, chemistry studies, chemistry sources
chemistry spaces » chemistry space, chemistry species, chemistry stacey
chemistry snakes » chemistry space, chemistry state, chemistry sars

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