Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoi co doc snippets" » "duoc co doc snippets", "doi co doc snippets", "cuoi co doc snippets", "duoi co duoc snippets", "duoi co hoc snippets", "duoi co dot 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: (((("duoi co doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoi co doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoi co doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoi co doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.