Perhaps you should try some spelling variations:
professions » professionals, professionalss
professionalss » professionals, professionalism, professionalo, professionalsalss
professionally » professionals, professionalism, professionalsally
profession » professionals
professional » professionalsal
demographics" » geographic"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: "(((professions or (professionalss or professionally)) or (profession OR professor)) or professional): training, education and (demographics" or demographic")~.
• If you are trying to use Boolean operators, they must be ALL CAPS: "(((professions OR (professionalss OR professionally)) OR (profession OR professor)) OR professional): training, education AND (demographics" or demographic").
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"(((professions or (professionalss or professionally)) or (profession OR professor)) or professional): training, education and (demographics\" or demographic\")".
• Removing quotes may allow a broader search: (((professions or (professionalss or professionally)) or (profession OR professor)) or professional): training, education and (demographics or demographic ).
• Adding a wildcard symbol may retrieve word variants: "(((professions or (professionalss or professionally)) or (profession OR professor)) or professional): training, education and (demographics" or demographic")*.