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