Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc quan de snippets" » "luc luan de snippets", "tac quan de snippets", "qua quan de snippets", "luc quan den snippets", "luc quang de snippets", "luc quan he 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 quan de 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 quan de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc quan de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc quan de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.