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