Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khan da di snippets" » "khan dam di snippets", "kham da di snippets", "khan ma di snippets", "khan pa di snippets", "khan da gi 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: (((("khan da di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khan da di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khan da di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khan da di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.