Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dai tay hung snippets" » "dai tay huong snippets", "dai tay nhung snippets", "dai tay nung snippets", "dai tai hung snippets", "dan tay hung snippets", "dao tay hung snippets", "dai tay hung 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: (((("dai tay hung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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