Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat canh da snippets" » "luat doanh da snippets", "luat kinh da snippets", "luc canh da snippets", "luat canh dan snippets", "luat can da snippets", "luat canh va 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: (((("luat canh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat canh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat canh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat canh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.