Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan trac tu snippets" » "phan tap tu snippets", "phan cac tu snippets", "phan tan tu snippets", "phan tac tu snippets", "phan tran tu snippets", "phan trat tu snippets"

Try widening your search to All Fields.

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