Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung cau ve snippets" » "nhung cau code snippets", "chung cu ve snippets", "nhung bai ve snippets", "nhu cau ve snippets", "nhung dau ve snippets", "nhung cuu ve snippets", "nhung ca ve 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: (((("nhung cau ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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