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