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