Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap va dot snippets" » "nhap vai dot snippets", "nhap van dot snippets", "nhan va dot snippets", "nhap va doc snippets", "nhap va do snippets", "nhap va doi 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 va dot 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 va dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap va dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap va dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.