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