Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung du hoat snippets" » "dung du code snippets", "dung de hoat snippets", "dung cu hoat snippets", "dung cua hoat snippets", "dung du hoa snippets", "dung su hoat snippets", "dung vu hoat 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: (((("dung du hoat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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