Perhaps you should try some spelling variations:
"yang danh nhan snippets" » "dang dinh nhan snippets", "tang dan nhan snippets", "van danh nhan snippets", "yang doanh nhan snippets", "yang thanh nhan snippets", "yang benh nhan snippets", "yang danh nhan 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: (((("yang danh nhan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("yang danh nhan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( yang danh nhan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("yang danh nhan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.