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