Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc cac den snippets" » "duoc cac den snippets", "tuc cac den snippets", "muc cac den snippets", "duc cac dan snippets", "duc cac don snippets", "duc cac nen 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 cac den 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 cac den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc cac den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc cac den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.