Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ban chat cho snippets" » "ban chat code snippets", "van chat cho snippets", "bao chat cho snippets", "luan chat cho snippets", "ban chat co snippets", "ban chat thom snippets", "ban cap cho snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("ban chat cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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