Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"han cho chat snippets" » "han cho code snippets", "han cao chat snippets", "han cho phat snippets", "han chao chao snippets", "hang cho chat snippets", "han che chat snippets", "san cho chat 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: (((("han cho chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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