Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tri cac tang snippets" » "tri cao tang snippets", "tri cac dang snippets", "tri ca tang snippets", "tri mac tang snippets", "tai cac tang snippets", "tri dac tang snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("tri cac tang snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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