Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cham hoc dat snippets" » "cham soc dat snippets", "chat hoc dat snippets", "cham hoi dat snippets", "cham hoc dan snippets", "cham hoc dai snippets", "cham hoc phat snippets", "cham hoc dat 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: (((("cham hoc dat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham hoc dat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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