Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua dang son snippets" » "lua dang code snippets", "cua dang son snippets", "lua sang son snippets", "luan nang son snippets", "lua lang son snippets", "lua dong son snippets", "lua bang 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: (((("lua dang son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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