Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"nang phap lua slippers" » "nang phan lua slippers", "nang phat lua slippers", "ban phap lua slippers", "nang phap luat slippers", "nang phap luan slippers", "nang phap luu slippers", "nang phap lua slippery", "nang phap lua 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 java java snippets") or ("nang phap lua slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("nang phap lua slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( nang phap lua slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("nang phap lua slippers"))) or ("locating bug code snippets"))*.