Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc nang cau snippets" » "luc sang cau snippets", "cuc nang cau snippets", "vuc nang cau snippets", "luc nang cao snippets", "luc hang cau snippets", "luc nang dau 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: (((("luc nang cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc nang cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc nang cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc nang cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.