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