Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc than duc slippers" » "doc thanh duc slippers", "doc phan duc slippers", "doc thau duc slippers", "doc tran duc slippers", "doc than doc slippers", "doc than duc slippery", "doc than duc 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: (((("doc than duc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc than duc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc than duc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc than duc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.