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