Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua nam cham snippets" » "lua nang cham snippets", "lua nam chi snippets", "lua nam cao snippets", "cua nam cham snippets", "luc nam cham snippets", "loai nam cham 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 nam cham 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 nam cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua nam cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua nam cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.