Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"wei pan duy snippets" » "wei tan duy snippets", "wei tang duy snippets", "wei fang duy snippets", "wei phan duy snippets", "wei van duy snippets", "wei pham duy snippets", "wei pan duy 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.

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