Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"thon thi lan snippets" » "thon thoi lan snippets", "thon chi lan snippets", "thong thai lan snippets", "thon thi hanh snippets", "thon thi nang snippets", "thon thi lien snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("thon thi lan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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