Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua thu hoan snippets" » "lua thi hoan snippets", "lua thu hoach snippets", "lua thu ha snippets", "luat thu hoan snippets", "luan thu hoan snippets", "mua thu hoan 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 thu hoan 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 thu hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua thu hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua thu hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.