Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua doc cao snippets" » "lua doc code snippets", "lua doi cao snippets", "luan dac cao snippets", "lua nuoc cao snippets", "lua hoc cao snippets", "lua do cao snippets", "lua doc dao snippets"
"python using java snippets" » "python using data 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 doc cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lua doc cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lua doc cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua doc cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.