Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"von hoi tran snippets" » "von hoi trac snippets", "von thoi trang snippets", "von hoi thanh snippets", "van hoi tran snippets", "von khoa tran snippets", "dong hoi tran snippets"

Try widening your search to All Fields.

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