Perhaps you should try some spelling variations:
"luan chinh dat snippets" » "luan chi dat snippets", "hoan chinh dat snippets", "luat hinh dat snippets", "luan chinh phat snippets", "luan chinh dang snippets", "luan chinh danh snippets", "luan chinh dat slippers"
"dung java java snippets" » "dung va java snippets", "dung java 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 java java snippets") or ("luan chinh dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("luan chinh dat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( luan chinh dat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("luan chinh dat snippets"))) or ("locating bug code snippets"))*.