Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung nhat lua slippers" » "dung nhan lua slippers", "dang nhat lua slippers", "dung nha lua slippers", "dung nhat cua slippers", "dung nhat qua slippers", "dung chat lua slippers", "dung nhat lua slippery", "dung nhat lua grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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 ("dung nhat 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 ("dung nhat lua slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung nhat lua slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung nhat lua slippers"))) or ("locating bug code snippets"))*.