Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using real snippets" » "python using metal snippets", "python using raw snippets"
"son tung phi snippets" » "son tang phi snippets", "con trung phi snippets", "son tinh phi snippets", "son xung phi snippets", "son tung pham snippets", "son vuong phi snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("son tung phi snippets") or ("python using real snippets"))) or ("locating bug core snippets"))~.
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