Perhaps you should try some spelling variations:
"trinh luu hoang snippets" » "trinh cuu hoang snippets", "trinh luat hoang snippets", "trinh luan hoang snippets", "trinh luu hanh snippets", "trinh le hoang snippets", "trinh luu dong snippets", "trinh luu hoang 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 luu hoang 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 luu hoang snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh luu hoang snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh luu hoang snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.