Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung che viet slippers" » "dung chet viet slippers", "duong che viet slippers", "dung cho viet slippers", "dung chu viet slippers", "dung nghe viet slippers", "dung thue viet slippers", "dung che viet slippery", "dung che viet 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 che viet slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung che viet slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung che viet slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung che viet slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.