Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thuc tin cay snippets" » "thuc tin code snippets", "thuc tien cay snippets", "thu tin cay snippets", "thuc hien cay snippets", "thuc ten cay snippets", "thuc tin cac snippets", "thuc trien cay 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: (((("thuc tin cay snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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