Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat cach con snippets" » "mot cach con snippets", "mat sach con snippets", "vat cach con snippets", "mat cach hoan snippets", "mat cac cong snippets", "mat cac co 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 cach con 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 cach con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat cach con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat cach con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.