Perhaps you should try some spelling variations:
socialist medical » specialist medical, socialist medicine, social medical
specialist period » socialist period, special period, specialist species
medical reports » medical records, medical record, technical reports
period returns » periodical returns

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: (( socialist medical reports ) OR ( specialist period returns )).
• Adding a wildcard symbol may retrieve word variants: (( socialist medical reports ) or ( specialist period returns ))*.