Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tri duoc cac snippets" » "tri duoc code snippets", "tri quoc cac snippets", "trinh duoc cac snippets", "tri thuoc cac snippets", "tri cuoc cach snippets", "tri duoc chat snippets", "tri duong cac 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: (((("tri duoc cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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