Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi bac dan slippers" » "doi ban dan slippers", "doi tac dan slippers", "hoi bac dan slippers", "doi bach dan slippers", "doi cac dan slippers", "doi bac dan slippery", "doi bac dan 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: (((("doi bac dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi bac dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi bac dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi bac dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.