Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mat dan cho snippets" » "mat dan code snippets", "hat dan cho snippets", "luat dan cho snippets", "mat bang cho snippets", "mat danh cho snippets", "mat san cho snippets", "mat dac 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: (((("mat dan cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat dan cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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