Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dun lang ha slippers" » "dun nang ha slippers", "den lang ha slippers", "dua lang ha slippers", "dun long ha slippers", "dun lang ha slippery", "dun lang ha 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: (((("dun lang ha slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dun lang ha slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dun lang ha slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dun lang ha slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.