Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac dat doc snippets" » "cac dat code snippets", "cac dan doc snippets", "cai dat doc snippets", "cac dai doc snippets", "cac dat duoc snippets", "cac day doc snippets", "cac dat nuoc 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: (((("cac dat doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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