Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua gao son snippets" » "lua dao son snippets", "luat giao son snippets", "luat bao son snippets", "lua cao son snippets", "lua gao san snippets", "lua tao son 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 gao son 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 gao son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua gao son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua gao son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.