Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toc cao cao snippets" » "toc cao code snippets", "hoc cao cao snippets", "toc dao cao snippets", "toc co cao snippets", "toc cao cap snippets", "toc bao cao snippets", "toc tao cao 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 cao 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 cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( toc cao cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc cao cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.