Perhaps you should try some spelling variations:
"technical sciences / philosophy" » "medical sciences / philosophy", "chemical sciences / philosophy", "technical advances / philosophy"
"clinical sciences / philosophy" » "clinical science / philosophy", "chemical sciences / philosophy", "empirical sciences / philosophy"

Try widening your search to All Fields.

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"clinical sciences / philosophy\") OR (\"technical sciences / philosophy\"))".
• Removing quotes may allow a broader search: (( clinical sciences / philosophy ) OR ( technical sciences / philosophy )).
• Adding a wildcard symbol may retrieve word variants: (("clinical sciences / philosophy") OR ("technical sciences / philosophy"))*.