Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan tu hoat snippets" » "toan du hoat snippets", "tran tu hoat snippets", "toan thuc hoat snippets", "toan tu hat snippets", "toan su hoat snippets", "toan tu hoa 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: (((("python using java snippets") or ("toan tu hoat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("toan tu hoat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( toan tu hoat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("toan tu hoat snippets"))) or ("locating bug code snippets"))*.