Perhaps you should try some spelling variations:
"trinh tay viet snippets" » "trinh tai viet snippets", "trinh may viet snippets", "trinh tam viet snippets", "trinh mai viet snippets", "trinh dao viet snippets", "trinh bac viet snippets", "trinh tay viet 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 tay viet 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 tay viet snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh tay viet snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh tay viet snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.