Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chung di toi snippets" » "chung di code snippets", "chung vi toi snippets", "chung do toi snippets", "chung chi toi snippets", "chung doi toi snippets", "chung di hoi snippets", "chung di roi 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: (((("chung di toi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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