Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tan cua mong snippets" » "tan cua code snippets", "tan cua cong snippets", "tan cua dong snippets", "tan cua song snippets", "than cua mong snippets", "tang cua mong snippets", "toan cua mong 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: (((("tan cua mong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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