Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi va anh slippers" » "hoi va anh slippers", "noi va anh slippers", "dai va anh slippers", "doi van anh slippers", "doi va danh slippers", "doi va hanh slippers", "doi va anh slippery", "doi va anh 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 anh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( doi va anh slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("doi va anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.