Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dam phan luc snippets" » "d phan luc snippets", "va phan luc snippets", "van phan luc snippets", "dam nhan luc snippets", "dam phan duc snippets", "dam phan suc snippets", "dam phan luc 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: (((("dam phan luc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dam phan luc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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