Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"minh cac cua snippets" » "minh cac code snippets", "minh cach cua snippets", "dinh cac cua snippets", "minh bac cua snippets", "minh cac qua snippets", "minh ca 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: (((("minh cac cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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