Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua sang cho snippets" » "lua sang code snippets", "luc sang cho snippets", "bua sang cho snippets", "cua sang cho snippets", "lua danh cho snippets", "lua dung cho snippets", "lua sang tao 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: (((("python using java snippets") or ("lua sang cho snippets"))) or ("locating bug core snippets"))~.
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