Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua dao tong snippets" » "lua dao trong snippets", "lua dao dong snippets", "lua tao trong snippets", "luat dat tong snippets", "luat dan tong snippets", "luat dau tong 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 dao tong 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 dao tong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua dao tong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua dao tong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.