Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua dan hoc snippets" » "luat dan hoc snippets", "cua dan hoc snippets", "luu dan hoc snippets", "lua van hoc snippets", "lua dan toc snippets", "lua dai hoc 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: (((("lua dan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua dan hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua dan hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua dan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.