Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"than tran vi snippets" » "thanh tran vi snippets", "thoan tran vi snippets", "tan tran vi snippets", "than tran si snippets", "than tran vu snippets", "than tran mi snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("than tran vi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than tran vi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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