Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi nu doc snippets" » "doi nu code snippets", "doi nhu doc snippets", "doi ngu doc snippets", "doi su doc snippets", "doi n1 doc snippets", "doi n2 doc snippets", "doi n3 doc 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 nu 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 nu doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi nu doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi nu doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.