Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung may van slippers" » "dung va van slippers", "dung tai van slippers", "mang may van slippers", "dung may san slippers", "dung may va slippers", "dung ma van slippers", "dung may van slippery", "dung may van grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung may van 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 may van slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung may van slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung may van slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.