Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dac co quoc snippets" » "dac cao quoc snippets", "dac co duoc snippets", "dac bo quoc snippets", "dac cho quoc snippets", "cac co quoc snippets", "dau co quoc snippets", "dac co quoc 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: (((("dac co quoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dac co quoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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