Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan tu o snippets" » "danh tu o snippets", "dan su o snippets", "ban tu o snippets", "dan tu so snippets", "dan tu do snippets", "dan tu co 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: (((("dan tu o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan tu o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan tu o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan tu o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.