Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac hanh cac snippets" » "cac hanh code snippets", "cac thanh cac snippets", "cac banh cac snippets", "cac hinh cac snippets", "cac hang cac snippets", "cac hanh cat snippets", "cac nhanh cay 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: (((("cac hanh cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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