Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khan dan mon snippets" » "nhan dan mon snippets", "khau dan mon snippets", "khan dam mon snippets", "khan dap mon snippets", "khan dan dong snippets", "khan dong mon 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 dan mon 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 dan mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khan dan mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khan dan mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.