Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung tai so snippets" » "nhung tai code snippets", "nhung trai so snippets", "nhung bai so snippets", "nhung tap so snippets", "nhung tai sao snippets", "nhung dai so snippets", "nhung tai co 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 tai so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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