Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pha anh thuc snippets" » "pha am thuc snippets", "pha dan thuc snippets", "pha anh tu snippets", "pham anh thuc snippets", "phan anh thuc snippets", "ha anh thuc snippets"

Try widening your search to All Fields.

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