Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ghep mo cho snippets" » "ghep mo code snippets", "nghiep mo cho snippets", "ghep noi cho snippets", "ghet moi cho snippets", "ghep mo chon snippets", "ghep moi cho snippets", "ghep mo ho 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: (((("ghep mo cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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