Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi va tran slippers" » "doi va trang slippers", "doi va trac slippers", "doi ha tran slippers", "hoi va tran slippers", "noi va tran slippers", "dai va tran slippers", "doi va tran slippery", "doi va tran 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi va tran slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( doi va tran slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("doi va tran slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.