Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc co cua snippets" » "hoc co cua snippets", "tuc co cua snippets", "toc con cua snippets", "toc ca cua snippets", "toc cong cua 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 co cua 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 co cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc co cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.