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