Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung hoc han slippers" » "dong hoc han slippers", "dung thuoc han slippers", "trung hoc han slippers", "dung hoc phan slippers", "dung hoc hanh slippers", "dung hoc chan slippers", "dung hoc han slippery", "dung hoc han 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 hoc han 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 hoc han slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung hoc han slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hoc han slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.