Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung chi cuu snippets" » "dung chi code snippets", "dung cho cuu snippets", "dung thi cuu snippets", "dung chien cuu snippets", "dung chi cuc snippets", "dung chi cua snippets", "dung cham cuu 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: (((("dung chi cuu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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