Perhaps you should try some spelling variations:
"chuc danh dat snippets" » "chuc nganh dat snippets", "thuc hanh dat snippets", "chuc nang dat snippets", "chuc danh bat snippets", "chuc dinh dat snippets", "chuc dan dat snippets", "chuc danh 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: (((("chuc danh 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: (((("chuc danh dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuc danh dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuc danh dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.