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