Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nao chu tich snippets" » "nao chu thich snippets", "nao thu tich snippets", "nao co tich snippets", "cao chu tich snippets", "dao chu tich snippets", "ngoc chu tich snippets", "nao chu tich 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: (((("nao chu tich snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao chu tich snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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