Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung ly quang slippers" » "dung le quang slippers", "dung vu quang slippers", "dung la quang slippers", "dung lam quang slippers", "dung ly quang slippery", "dung ly quang 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 ly quang 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 ly quang slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ly quang slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ly quang slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.