Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung cu tu slippers" » "dung cua tu slippers", "dung co tu slippers", "dung cho tu slippers", "dung cau tu slippers", "dung chu tu slippers", "dung cu tu slippery", "dung cu tu 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 cu 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: (((("dung cu tu slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cu tu slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cu tu slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.