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