Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hung van che snippets" » "hung van code snippets", "phung van che snippets", "nhung van che snippets", "dung van che snippets", "hung han che snippets", "hung van chi snippets", "hung van cho 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: (((("hung van che snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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