Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc ion long snippets" » "duc tien long snippets", "duc ion trong snippets", "duc hoi long snippets", "duc ton long snippets", "duc con long snippets", "duc cong long 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: (((("duc ion long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc ion long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc ion long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc ion long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.