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