Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"viet ngu lua slippers" » "viet nam lua slippers", "viet tu lua slippers", "viet ngu luan slippers", "viet ngu cua slippers", "viet ngon lua slippers", "viet ngu lua slippery", "viet ngu lua grippers"
"locating bug code snippets" » "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: (((("viet ngu lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viet ngu lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viet ngu lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet ngu lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.