Perhaps you should try some spelling variations:
chemistry studies » chemistry study, chemical studies
chemistry sources » chemistry courses, chemistry surfaces, chemistry force
chemistry series » chemistry species, chemistry erich, 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 studies ))) OR ( advances in chemistry sources )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( Advances in chemistry series ) OR ( Advances in chemistry studies ))) or ( advances in chemistry sources ))".
• Adding a wildcard symbol may retrieve word variants: (((( Advances in chemistry series ) OR ( Advances in chemistry studies ))) or ( advances in chemistry sources ))*.