Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lan tang tri snippets" » "luan tang tri snippets", "fan tang tri snippets", "lan lang tri snippets", "lan trang tri snippets", "lan tang tai snippets", "lan tang thi snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("lan tang tri snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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