Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"pham ngo dac snippets" » "pham ngoc dac snippets", "pham ngu dac snippets", "pham nho dac snippets", "pham ngo duc snippets", "pham ngo doan snippets", "pham ngoc duc snippets", "pham ngo dac 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: (((("pham ngo dac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham ngo dac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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