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