Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vien bach co snippets" » "vien bach cau snippets", "vien bach hoa snippets", "vien bach mao snippets", "viet bach co snippets", "bien bach co 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: (((("vien bach co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vien bach co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vien bach co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vien bach co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.