Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mat cua cao snippets" » "mat cua code snippets", "ma cua cao snippets", "manh cua cao snippets", "mang cua cao snippets", "mat cua cac snippets", "mat cu cao snippets", "mat cua cay 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: (((("mat cua cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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