Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"che cho doi snippets" » "che cho code snippets", "che ho doi snippets", "chat cho doi snippets", "che khoa doi snippets", "che cho moi snippets", "che cuoc doi snippets", "che cho tuoi 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: (((("che cho doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che cho doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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