Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"luan dac pha snippets" » "luan danh pha snippets", "luan van pha snippets", "luan va pha snippets", "luan dam pha snippets", "luan tac pham snippets", "luan dao phat snippets", "luan dac pha 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: (((("luan dac pha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan dac pha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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