Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua chon he snippets" » "lua cho he snippets", "lua chon nghe snippets", "lua chuan he snippets", "luan chon he snippets", "luat chon he 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 chon he 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 chon he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua chon he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua chon he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.