Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha dung ho snippets" » "pha dung code snippets", "pham dung ho snippets", "phan dung ho snippets", "kha dung ho snippets", "pha dung cho snippets", "pha dung hoc snippets", "pha dung he 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: (((("pha dung ho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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