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