Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu ly d snippets" » "lieu ky d snippets", "lieu xay d snippets", "lieu lon d snippets", "lieu ly du snippets", "lieu ly do snippets", "lieu ly de 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: (((("lieu ly d snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu ly d snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu ly d snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu ly d snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.