Perhaps you should try some spelling variations:
"using data nhan slippers" » "using java nhan slippers", "using sat nhan slippers", "missing data nhan slippers", "using data phan slippers", "using danh nhan slippers", "using hat nhan slippers", "using data nhan slippery", "using data nhan grippers"
"dung java java snippets" » "dung va java snippets"
"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: (((("using data nhan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data nhan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using data nhan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data nhan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.