Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chang am cat snippets" » "chang ama cat snippets", "chang dam cat snippets", "chang ham cat snippets", "chang am ca snippets", "chang dam chat snippets", "chang lam chat 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: (((("chang am cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chang am cat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chang am cat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chang am cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.