Perhaps you should try some spelling variations:
"trinh sang tac snippets" » "trinh san tac snippets", "tinh sang tac snippets", "trinh bang tac snippets", "trinh sang tao snippets", "trinh sang tai snippets", "trinh sang than snippets", "trinh sang tac 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 sang tac 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 sang tac snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh sang tac snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh sang tac snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.