Perhaps you should try some spelling variations:
"trinh cua tang snippets" » "tinh cua tang snippets", "trinh luat tang snippets", "trinh quan tang snippets", "trinh cua dang snippets", "trinh cua hang snippets", "trinh ca tang snippets", "trinh cua tang slippers"
"dung hung code snippets" » "dung chung code snippets", "dung nhung code snippets", "dung huong code snippets", "dung hung code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 cua tang snippets") or ("dung hung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cua tang snippets") OR ("dung hung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh cua tang snippets ) or ( dung hung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cua tang snippets") or ("dung hung code snippets"))) or ("locating bug code snippets"))*.