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