Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat cong ca snippets" » "thuat cong ca snippets", "luat chung ca snippets", "cua cong ca snippets", "luat cong cua snippets", "luat cong cau snippets", "luat cong cac 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 cong ca 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 cong ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat cong ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat cong ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.