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