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