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