Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi tang tro snippets" » "phap tang tro snippets", "thi trang tro snippets", "phi trong tro snippets", "phi trang tri snippets", "phi tang theo snippets", "phi tang tren 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 ("phi tang tro snippets"))) or ("locating bug core snippets"))~.
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