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