Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan tran tu snippets" » "phan tan tu snippets", "pham tran tu snippets", "phan than tu snippets", "phan tran tuan snippets", "phan tran thuy snippets", "phan tran thi 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 ("phan tran tu snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phan tran tu snippets"))) OR ("locating bug core snippets")).
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