Perhaps you should try some spelling variations:
"trinh dao data snippets" » "trinh do data snippets", "trinh da data snippets", "trinh dan data snippets", "trinh dao dan snippets", "trinh a data snippets", "trinh dao danh snippets"
"dung dung co snippets" » "duong dung co snippets", "ung dung co snippets", "dung ung co snippets", "dung dung cho snippets", "dung dung cong snippets", "dung dung cua snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 dao data snippets") or ("dung dung co snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh dao data snippets") OR ("dung dung co snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh dao data snippets ) or ( dung dung co snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh dao data snippets") or ("dung dung co snippets"))) or ("locating bug code snippets"))*.