Perhaps you should try some spelling variations:
"dung doanh dat snippets" » "dung dan dat snippets", "dung dong dat snippets", "dung doanh bat snippets", "dung doanh dao snippets", "dung doanh xuat snippets", "dung doanh dat slippers"
"dung sinh java snippets" » "duong sinh java snippets", "dang sinh java snippets", "dung ninh java snippets", "dung trinh java snippets", "dung using java snippets", "dung sinh va snippets", "dung sinh java slippers"
"locating bug code snippets" » "locating bug code slippers", "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 sinh java snippets") or ("dung doanh dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung sinh java snippets") OR ("dung doanh dat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung sinh java snippets ) or ( dung doanh dat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung sinh java snippets") or ("dung doanh dat snippets"))) or ("locating bug code snippets"))*.