Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"phan cau danh slippers" » "phan dau danh slippers", "phan cac danh slippers", "phan tu danh slippers", "phan cao danh slippers", "phan chuc danh slippers", "phan nam danh slippers", "phan cau danh slippery", "phan cau danh 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 ("phan cau danh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("phan cau danh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( phan cau danh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("phan cau danh slippers"))) or ("locating bug code snippets"))*.