Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat dan chat snippets" » "mat van chat snippets", "mat dan chan snippets", "mat ban chat snippets", "hat dan chat snippets", "luat dan chat snippets", "mat bang chat 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 dan chat 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 dan chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat dan chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat dan chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.