Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang tran cu snippets" » "dang tran code snippets", "dang thanh cu snippets", "quang tran cu snippets", "hoang tran cu snippets", "dang tran tu snippets", "dang tran vu snippets", "dang tran ku 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: (((("python using java snippets") or ("dang tran cu snippets"))) or ("locating bug core snippets"))~.
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