Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh dan ke snippets" » "trinh dan code snippets", "trinh han ke snippets", "trinh van ke snippets", "trinh san ke snippets", "trinh dan ky snippets", "trinh dan ve snippets", "trinh ban ke 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: (((("trinh dan ke snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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