Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac sang cho snippets" » "cac sang code snippets", "cac dang cho snippets", "cac san cho snippets", "cac bang cho snippets", "cac danh cho snippets", "cac dung cho snippets", "cac 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: (((("cac sang cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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