Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung lu shen slippers" » "dung cu shen slippers", "dung du shen slippers", "dung su shen slippers", "dung lu sheng slippers", "dung lyu shan slippers", "dung lu shen slippery", "dung lu shen 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 lu shen 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 lu shen slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung lu shen slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lu shen slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.