Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trung dai do snippets" » "trung dai code snippets", "truong dai do snippets", "truong dao do snippets", "trung tam do snippets", "trung dai so snippets", "trung dai de snippets", "trung dai o 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: (((("trung dai do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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