Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tre van hoat snippets" » "tre van hoa snippets", "tre van hoan snippets", "tre dan hoat snippets", "te van hoat snippets", "tre can hoat snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("tre van hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tre van hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tre van hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tre van hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.