Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"you zhang tu snippets" » "yu zhang tu snippets", "yong zhang tu snippets", "yan zhang tu snippets", "you hang tu snippets", "you thang tu snippets", "you thong tu snippets", "you zhang tu slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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 ("you zhang tu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("you zhang tu snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( you zhang tu snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("you zhang tu snippets"))) or ("locating bug code snippets"))*.