Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"chon vi phap snippets" » "chon va phap snippets", "chon vi pham snippets", "chon vi phan snippets", "cho vi phap snippets", "con vi phap snippets", "cuon vi phap snippets"

Try widening your search to All Fields.

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