Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung hai so snippets" » "nhung hai code snippets", "nhung khai so snippets", "nhung bai so snippets", "hung hai so snippets", "nhung dai so snippets", "nhung tai so snippets", "nhung thai son 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 hai so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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