Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc pan li snippets" » "duc phan li snippets", "duc tan li snippets", "duc van li snippets", "duc ban li snippets", "duc dan li snippets", "duc han li snippets", "duc pan li 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: (((("duc pan li snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( duc pan li snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("duc pan li snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.