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 dan thi snippets" » "dung dat thi snippets", "dung san thi snippets", "tung dan thi snippets", "dung dang thi snippets", "dung tran thi snippets", "dung dinh thi snippets", "dung dan thi 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 dan thi 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 dan thi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh chao code snippets ) or ( dung dan thi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh chao code snippets") or ("dung dan thi snippets"))) or ("locating bug code snippets"))*.