Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hieu van ap slippery" » "hieu va ap slippery", "thien van ap slippery", "lieu va ap slippery", "hieu van dap slippery", "hieu van ai slippery", "hieu dan ap slippery", "hieu van ap 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: (((("hieu van ap slippery") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( hieu van ap slippery ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hieu van ap slippery") or ("python using java snippets"))) or ("locating bug code snippets"))*.