Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung vinh va slippers" » "dang vinh va slippers", "dung ninh va slippers", "quang vinh va slippers", "dung vinh van slippers", "dung tinh va slippers", "dung sinh va slippers", "dung vinh va slippery", "dung vinh va 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 vinh va 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 vinh va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung vinh va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung vinh va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.