Perhaps you should try some spelling variations:
"dung trong code snippets" » "dung trong cong snippets", "dung trong co snippets", "dung trong che snippets", "dung trong code slippers"
"trinh qua dat snippets" » "trinh quan dat snippets", "trinh cua dat snippets", "trinh quang dat snippets", "trinh quy dat snippets", "trinh qua da snippets", "trinh qua dan snippets", "trinh qua dat 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: (((("trinh qua dat snippets") or ("dung trong code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh qua dat snippets") OR ("dung trong code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh qua dat snippets ) or ( dung trong code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh qua dat snippets") or ("dung trong code snippets"))) or ("locating bug code snippets"))*.