Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lua cao nhan snippets" » "lua ca nhan snippets", "lua cam nhan snippets", "lua tao nhan snippets", "lua dao nhan snippets", "lua cau nhan snippets", "lua gao nhan snippets"

Try widening your search to All Fields.

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