Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cau vinh son snippets" » "cau vinh code snippets", "van vinh son snippets", "cau danh son snippets", "tan vinh son snippets", "cau tinh son snippets", "cau minh son snippets", "cau dinh so 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 vinh son 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 vinh son snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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