Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung mai ten snippets" » "dung tai ten snippets", "dung sai ten snippets", "dung hai ten snippets", "dung mai tan snippets", "dung mai men snippets", "dung mai dien 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 ("dung mai ten snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dung mai ten snippets"))) OR ("locating bug core snippets")).
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