Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh cad model snippets" » "trinh cau model snippets", "trinh cac model snippets", "trinh cam model snippets", "trinh a model snippets"
"dung cho code snippets" » "dung cho cong snippets", "dung cfd code snippets", "dung cho con 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 cad model snippets") or ("dung cho code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cad model snippets") OR ("dung cho code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh cad model snippets ) or ( dung cho code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cad model snippets") or ("dung cho code snippets"))) or ("locating bugs code snippets"))*.