Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"using va thu slippers" » "using a thu slippers", "using java thu slippers", "using raw thu slippers", "using va thuc slippers", "using van thu slippers", "using va tu slippers", "using va thu slippery", "using va thu 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: (((("using va thu 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 va thu slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using va thu slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using va thu slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.