Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ban dam trao snippets" » "ban dam rao snippets", "ban dam bao snippets", "ban tan trao snippets", "ban dan trao snippets", "bao dam trao snippets", "ban dau trao snippets", "ban dam trao 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: (((("ban dam trao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban dam trao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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