Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi lan lang snippets" » "phi ban lang snippets", "phi lan tang snippets", "phi van lang snippets", "phi luan lang snippets", "phi san lang snippets", "thi lan lang snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phi lan lang snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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