Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua hoc de snippets" » "lua hoc code snippets", "luan hoc de snippets", "luc hoc de snippets", "cua hoc de snippets", "lua hoc he snippets", "lua hoc te snippets", "lua hoc do 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: (((("lua hoc de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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