Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung thi hoi snippets" » "dung thi code snippets", "dung tai hoi snippets", "dung tri hoi snippets", "dung chi hoi snippets", "dung thi hoai snippets", "dung thi choi snippets", "dung thi hai 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: (((("python using java snippets") or ("dung thi hoi snippets"))) or ("locating bug core snippets"))~.
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