Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mau su doan snippets" » "mau su doanh snippets", "mau du doan snippets", "mau su hoan snippets", "mau sau doan snippets", "mau sua doan snippets", "dau su doan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("mau su doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mau su doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mau su doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mau su doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.