Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hanh duc con snippets" » "hanh duc code snippets", "hanh duoc con snippets", "anh duc con snippets", "hanh dua con snippets", "hanh duc cong snippets", "hanh duc ton snippets", "hanh duc cuong 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: (((("hanh duc con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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