Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sam van du snippets" » "sam van code snippets", "san van du snippets", "nam van du snippets", "dam van du snippets", "sam van duy snippets", "sam van dau snippets", "sam van de 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: (((("sam van du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sam van du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( sam van du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sam van du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.