Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dep hoc cau snippets" » "dep hoc code snippets", "de hoc cau snippets", "den hoc cau snippets", "dep hoi cau snippets", "dep hoc cao snippets", "dep hoc cac snippets", "dep hoc can 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 ("dep hoc cau snippets"))) or ("locating bug core snippets"))~.
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