Perhaps you should try some spelling variations:
"bach cau code snippets" » "bac cau code snippets", "bach mai code snippets", "sach cap code snippets", "bach cau cong snippets", "bach cau de snippets", "bach cfd code snippets", "bach cau code slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("bach cau code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bach cau code snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("bach cau code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.