Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"minh toan ho snippets" » "minh toan code snippets", "tinh toan ho snippets", "manh toan ho snippets", "minh tuan ho snippets", "minh toan hoc snippets", "minh toan khoa snippets", "minh toan cao 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: (((("minh toan ho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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