Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"from vat cao snippets" » "from data cao snippets", "from fast cao snippets", "from a cao snippets", "from va cao snippets", "from vat co snippets", "from vat cach 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: (((("from vat 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: (((("from vat cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( from vat cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("from vat cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.