Perhaps you should try some spelling variations:
"trinh ngan danh snippets" » "chinh ngan danh snippets", "trinh han danh snippets", "trinh quan danh snippets", "trinh ngan hang snippets", "trinh ngan sach snippets", "trinh nhan dan snippets", "trinh ngan danh slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug code slippers", "dung bug core snippets"
"locating bug code snippets" » "locating bug code slippers", "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: (((("trinh ngan danh snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh ngan danh snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh ngan danh snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh ngan danh snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.