Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc hai luan snippets" » "duc thai luan snippets", "duc khai luan snippets", "duc hai quan snippets", "cuc hai luan snippets", "duc dai luan snippets", "duc hau luan snippets", "duc hai luan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("duc hai luan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc hai luan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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