Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cau minh cac snippets" » "cau minh code snippets", "cao minh cac snippets", "cau vinh cac snippets", "cau kinh cac snippets", "cau minh cach snippets", "cau dinh cac snippets", "cau minh bac 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: (((("cau minh cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau minh cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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