Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan cac tru snippets" » "nhan cach tru snippets", "phan dau tru snippets", "phan lap tru snippets", "phan ca tru snippets", "phan cac tro snippets", "phan cac thu snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan cac tru snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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