Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tran tung ma snippets" » "tran hung ma snippets", "tran dung ma snippets", "tran quang ma snippets", "tran trung ma snippets", "tran tung mai snippets", "tran tang ma snippets"

Try widening your search to All Fields.

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