Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huu bang o2 snippets" » "huu bang code snippets", "huu dang o2 snippets", "luu bang o2 snippets", "huu khang o2 snippets", "huu bang 2 snippets", "huu hang o2 snippets", "huu bang ion 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 ("huu bang o2 snippets"))) or ("locating bug core snippets"))~.
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