Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi co doc snippets" » "doi co code snippets", "doi bo doc snippets", "moi co doc snippets", "hoi co doc snippets", "doi co duoc snippets", "doi co hoc snippets", "doi co dot snippets"
"python using java snippets" » "python using data snippets"

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: (((("doi co doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi co doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi co doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi co doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.