Perhaps you should try some spelling variations:
"don chuc danh snippets" » "don chuc nganh snippets", "don thuc hanh snippets", "don chuc nang snippets", "cong chuc danh snippets", "dinh chuc danh snippets", "don thuoc danh snippets", "don chuc danh 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: (((("don chuc danh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don chuc danh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don chuc danh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don chuc danh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.