Perhaps you should try some spelling variations:
"trinh sat data snippets" » "trinh vat data snippets", "trinh san data snippets", "trinh sau data snippets", "trinh fast data snippets", "trinh a data snippets", "trinh tat dat snippets", "trinh sat data 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.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh sat data snippets") or ("dung hung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh sat data snippets") OR ("dung hung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh sat data snippets ) or ( dung hung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh sat data snippets") or ("dung hung code snippets"))) or ("locating bug code snippets"))*.