Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi cho cu snippets" » "phi cho code snippets", "choi cho cu snippets", "nhoi cho cu snippets", "phap cho cu snippets", "phi cho chu snippets", "phi cho ca snippets", "phi cho tu 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: (((("phi cho cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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