Perhaps you should try some spelling variations:
"trong doc trinh snippets" » "trong duoc trinh snippets", "trong doi trinh snippets", "trong hoc trinh snippets", "trong doc tinh snippets", "trong doc trinh 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"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trong doc trinh snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong doc trinh snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( trong doc trinh snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets ))*.