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