Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua sang hoa snippets" » "lua sang code snippets", "luc sang hoa snippets", "bua sang hoa snippets", "cua sang hoa snippets", "lua hang hoa snippets", "lua nang hoa snippets", "lua hoang hoa 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 sang hoa snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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