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