Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu thanh ta snippets" » "thu thang ta snippets", "tu thanh ta snippets", "thuan thanh ta snippets", "thu thanh tra snippets", "thu thanh tai snippets", "thu thanh tay snippets", "thu thanh ta 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: (((("thu thanh ta snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu thanh ta snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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