Perhaps you should try some spelling variations:
"trinh chao code snippets" » "trinh chat code snippets", "trinh han code snippets", "trinh co code snippets", "trinh chao core snippets", "trinh chao code slippers"
"dung cua phan snippets" » "dung luan phan snippets", "dung cho phan snippets", "dung cua nhan snippets", "dung cua phap snippets", "dung cua han snippets", "dung cua phan slippers"
"locating bug code snippets" » "locating bug core 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 chao code snippets") or ("dung cua phan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh chao code snippets") OR ("dung cua phan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh chao code snippets ) or ( dung cua phan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh chao code snippets") or ("dung cua phan snippets"))) or ("locating bug code snippets"))*.