Perhaps you should try some spelling variations:
"trinh chao khoi snippets" » "trinh chat khoi snippets", "trinh han khoi snippets", "trinh co khoi snippets", "trinh chai khoa snippets", "trinh cac khoi snippets", "trinh cao khai snippets", "trinh chao khoi 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 chao khoi 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 chao khoi snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh chao khoi snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh chao khoi snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.