Perhaps you should try some spelling variations:
"trinh he code snippets" » "trinh han code snippets", "trinh hoa code snippets", "trinh ky code snippets", "trinh he core snippets", "trinh he code slippers"
"dung ung dat snippets" » "dung trung dat snippets", "dung quang dat snippets", "dung chung dat snippets", "dung dung dat snippets", "dung vung dat snippets", "dung cung dat snippets", "dung ung dat slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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

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