Perhaps you should try some spelling variations:
"trinh ngam trong snippets" » "trinh ngan trong snippets", "trinh nghe trong snippets", "trinh nha trong snippets", "trinh nam trong snippets", "trinh ngoai trong snippets", "trinh pham trong snippets", "trinh ngam trong 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 ngam trong 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 ngam trong snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh ngam trong snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh ngam trong snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.