Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap ca mot snippets" » "nhap cua mot snippets", "nhap va mot snippets", "nhap ca tot snippets", "phap ca mot snippets", "nhan ca mot snippets", "nhat ca mot 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 ca mot 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 ca mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap ca mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap ca mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.