Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"viet tu lua slippers" » "viet duc lua slippers", "viet ngu lua slippers", "viet tu luan slippers", "viet tu luat slippers", "viet tu cua slippers", "viet tu lua slippery", "viet tu 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 tu 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 tu lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viet tu lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet tu lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.