Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"_ na zhang snippets" » "_ nam thang snippets", "_ tao zhang snippets", "_ yan zhang snippets", "_ nao zhang snippets", "_ nam zhang snippets", "_ nga zhang snippets", "_ na zhang slippers"

You may be able to get more results by adjusting your search query.

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