Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat chat co snippets" » "vat chat co snippets", "sat chat co snippets", "hoat chat co snippets", "mat thuat co snippets", "mat chat cua snippets", "mat chat deo 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 chat co 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 chat co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat chat co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat chat co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.