Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tan cua chep snippets" » "tan cua code snippets", "tan ca chep snippets", "tan cua che snippets", "tan cua thep snippets", "than cua chep snippets", "tang cua chep snippets", "toan cua chep 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: (((("tan cua chep snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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