Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi hoc do snippets" » "phi hoc code snippets", "phoi hoc do snippets", "khi hoc do snippets", "pho hoc do snippets", "phi hoc doi snippets", "phi hoc co snippets", "phi hoc bo 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 hoc do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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