Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran quy tao snippets" » "tran duy tao snippets", "tran quoc tao snippets", "tran thuy tao snippets", "tran quy tac snippets", "tran quy nao snippets", "tran quy tai snippets", "tran quy tao 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: (((("tran quy tao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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