Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan tao son snippets" » "nhan tao code snippets", "nhan tai son snippets", "nhan dan son snippets", "nhan va son snippets", "nhan tao song snippets", "nhan cao son snippets", "nhan tay son snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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