Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lua hat nhan snippets" » "lua ca nhan snippets", "lua van nhan snippets", "lua ban nhan snippets", "luan chat nhan snippets", "luan hoat nhan snippets", "qua hoat nhan snippets"

Try widening your search to All Fields.

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