Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hung tran sy snippets" » "huong tran sy snippets", "quang tran sy snippets", "hung thang sy snippets", "hung tran si snippets", "hung tran duy snippets", "hung tran quy snippets"

Try widening your search to All Fields.

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