Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung co re snippets" » "dung cho re snippets", "dung cong re snippets", "dung cua re snippets", "dung co e snippets", "dung co fe snippets", "dung co le 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: (((("dung co re snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung co re snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung co re snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung co re snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.