Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung viet gi slippers" » "nang viet gi slippers", "cong viet gi slippers", "mang viet gi slippers", "dung viet giao slippers", "dung viet ngu slippers", "dung viet goc slippers", "dung viet gi slippery", "dung viet gi 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: (((("dung viet gi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung viet gi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung viet gi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung viet gi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.