Perhaps you should try some spelling variations:
integrated regression » integrating regression, integrated region, moderated regression
interface regression » interval regression, inference regression, interface session
practice microscopy » practical microscopy, practical microscopic, passive microscopy
program practice » programs practices
https » http

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((interface regression) OR (integrated regression)) program practice microscopy https~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((interface regression) OR (integrated regression)) program practice microscopy https".
• Adding a wildcard symbol may retrieve word variants: ((interface regression) OR (integrated regression)) program practice microscopy https*.