Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung viet ty slippers" » "nang viet ty slippers", "cong viet ty slippers", "mang viet ty slippers", "dung viet tay slippers", "dung viet tu slippers", "dung viet ta slippers", "dung viet ty slippery", "dung viet ty 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 ty 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 ty slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung viet ty slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung viet ty slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.