Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat sach cua snippets" » "dat sach code snippets", "mat sach cua snippets", "dat khach cua snippets", "nam sach cua snippets", "dat cach cua snippets", "dat mach cua snippets", "dat sac 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: (((("dat sach cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat sach cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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