Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung hat da snippets" » "nhung hat code snippets", "nhung phat da snippets", "nhung pham da snippets", "nhung kham da snippets", "nhung hat dan snippets", "nhung hat dam snippets", "nhung hat dao 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: (((("nhung hat da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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