Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tung ho doi snippets" » "tung ho code snippets", "tuong ho doi snippets", "trung hoc doi snippets", "trung hoa doi snippets", "tung cho doi snippets", "tung hoc doi snippets", "tung hoa doi 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: (((("tung ho doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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