Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong thuc cung snippets" » "dong thuoc cung snippets", "duong thuc cung snippets", "cong thuc cung snippets", "dong thuc chung snippets", "dong thuc dung snippets", "dong thuc vung snippets"
"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 ("dong thuc cung snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dong thuc cung snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dong thuc cung snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dong thuc cung snippets"))) or ("locating bug code snippets"))*.