Perhaps you should try some spelling variations:
"dung hung code snippets" » "dung chung code snippets", "dung nhung code snippets", "dung huong code snippets", "dung hung code slippers"
"trinh tu ly snippets" » "trinh ky ly snippets", "trinh do ly snippets", "trinh xu ly snippets", "trinh tu le snippets", "trinh tu ky snippets", "trinh tu ly slippers"
"locating bug code 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 tu ly snippets") or ("dung hung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh tu ly snippets") OR ("dung hung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh tu ly snippets ) or ( dung hung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh tu ly snippets") or ("dung hung code snippets"))) or ("locating bug code snippets"))*.