Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lon than cua snippets" » "lon than code snippets", "lon thanh cua snippets", "long than cua snippets", "con than cua snippets", "lon nhan cua snippets", "lon thai cua snippets", "lon ban cua 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: (((("lon than cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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