Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"phan tong cuc snippets" » "phan trong cuc snippets", "phan cong cuc snippets", "han tong cuc snippets", "phan trong cuoc snippets", "phan thong cua snippets", "phan cong chuc 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 ("phan tong cuc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("phan tong cuc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( phan tong cuc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("phan tong cuc snippets"))) or ("locating bug code snippets"))*.