Perhaps you should try some spelling variations:
"trinh sach danh snippets" » "trinh mach danh snippets", "tinh sach danh snippets", "chinh sach danh snippets", "trinh sach tranh snippets", "trinh sach dao snippets", "trinh sach dung snippets", "trinh sach 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 sach 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 sach danh snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh sach danh snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh sach danh snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.