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