Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua dong mon snippets" » "lua dong code snippets", "luan dong mon snippets", "luu dong mon snippets", "cua dong mon snippets", "lua dong von snippets", "lua dong son snippets", "lua dong co 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 dong mon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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