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