Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"pho dong duc snippets" » "pho uong duc snippets", "pho thong duc snippets", "phan dong duc snippets", "pho duong duc snippets", "pho dong duoc snippets", "pho dong luc snippets", "pho dong duc 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: (((("pho dong duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho dong duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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