Perhaps you should try some spelling variations:
"dung may trinh snippets" » "dung may tinh snippets", "dung lap trinh snippets", "dung quy trinh snippets", "dung va trinh snippets", "dung tai trinh snippets", "mang may trinh snippets", "dung may trinh slippers"
"dung hung code snippets" » "dung chung code snippets", "dung nhung code snippets", "dung huong code snippets", "dung hung code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("dung may trinh snippets") or ("dung hung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung may trinh snippets") OR ("dung hung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung may trinh snippets ) or ( dung hung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung may trinh snippets") or ("dung hung code snippets"))) or ("locating bug code snippets"))*.