Perhaps you should try some spelling variations:
"dan chinh dat snippets" » "dang chinh dat snippets", "van chinh dat snippets", "lan chinh dat snippets", "dan chinh phat snippets", "dan chinh dang snippets", "dan chinh danh snippets", "dan 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"

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: (((("dan chinh dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan chinh dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan chinh dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan chinh dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.