Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao hoi cho snippets" » "dao hoi code snippets", "dao thoi cho snippets", "dai hoi cho snippets", "dao ho cho snippets", "dao hoi chu snippets", "dao hoi co snippets", "dao hoc 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: (((("dao hoi cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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