Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi hoc chi snippets" » "phi hoc code snippets", "phoi hoc chi snippets", "khi hoc chi snippets", "pho hoc chi snippets", "phi hoc chia snippets", "phi hoc cho snippets", "phi hoc chu 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 chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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