Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chang ha de snippets" » "chang ham de snippets", "hang ha de snippets", "chang ama de snippets", "chang hac de snippets", "chang hat de snippets", "chang va de 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 ha 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: (((("chang ha de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chang ha de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chang ha de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.