Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap nhan do snippets" » "nhan nhanh do snippets", "nhap khau do snippets", "phap nham do snippets", "nhap nhan dot snippets", "nhap nhan mo snippets", "nhap nhan 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: (((("nhap nhan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhap nhan do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap nhan do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap nhan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.