Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua can chan snippets" » "lua dan chan snippets", "lua cam chan snippets", "lua ban chan snippets", "luat can chan snippets", "cua can chan snippets", "lua cau chan 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 can chan 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 can chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua can chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua can chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.