Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat ca cao snippets" » "mat cua cao snippets", "mat can cao snippets", "mat ma cao snippets", "mat ca dao snippets", "mat cu cao snippets", "mat ca cac 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: (((("mat ca cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat ca cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat ca cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat ca cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.