Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"huy thu than snippets" » "huy thu thang snippets", "huy thu thanh snippets", "huy thuy than snippets", "huu thu than snippets", "thue thu than snippets", "hung thu than snippets", "huy thu than 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: (((("huy thu than snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huy thu than snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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