Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luat cau cao snippets" » "luat cau code snippets", "luat dau cao snippets", "lua cau cao snippets", "luat cac cao snippets", "luat cu cao snippets", "luat cau tao snippets", "luat ca cao 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: (((("luat cau 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: (((("luat cau cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luat cau cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat cau cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.