Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang toan ho snippets" » "tang toan code snippets", "dang toan ho snippets", "tang tan ho snippets", "thanh toan ho snippets", "tang toan hoc snippets", "tang toan khoa snippets", "tang 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: (((("tang toan ho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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