Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"manh toan code snippets" » "thanh toan code snippets", "anh tuan code snippets", "tinh toan code snippets", "manh toan co snippets", "manh toan cong snippets", "manh toan de snippets", "manh toan code slippers"
"dung vbug code snippets" » "dung vung code snippets", "dung bug code snippets", "dung vbug code slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("manh toan code snippets") or ("dung vbug code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("manh toan code snippets") OR ("dung vbug code snippets"))) OR ("locating bugs code snippets")).
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