Perhaps you should try some spelling variations:
"hoa dan hoat snippets" » "hoa dan code snippets", "hoa van hoa snippets", "hoa dan hoc snippets", "hoa danh hoa snippets", "khoa dan khoat snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data 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: (((("hoa dan hoat snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa dan hoat snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
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