Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"rong lon duc snippets" » "cong lon duc snippets", "vong lon duc snippets", "trong long duc snippets", "rong ton duc snippets", "rong lon suc snippets", "rong luong duc snippets", "rong lon 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: (((("rong lon 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: (((("rong lon duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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