Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc eu case snippets" » "luc cjeu case snippets", "luc sea case snippets", "luc tu case snippets", "luc du case snippets", "luc dieu case 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: (((("luc eu case snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc eu case snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc eu case snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc eu case snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.