Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung do ban slippers" » "dung doi ban slippers", "dung co ban slippers", "dung de ban slippers", "dung do ben slippers", "dung do ban slippery", "dung do ban 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 do ban 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 do ban slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung do ban slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung do ban slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.