Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung trong code snippets" » "dung trong cong snippets", "dung trong co snippets", "dung trong che snippets"
"trinh 1 model snippets" » "trinh 11 model snippets", "trinh _ model snippets", "trinh c model snippets", "trinh a model 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 1 model snippets") or ("dung trong code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh 1 model snippets") OR ("dung trong code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh 1 model snippets ) or ( dung trong code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh 1 model snippets") or ("dung trong code snippets"))) or ("locating bugs code snippets"))*.