Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc cua cao snippets" » "hoc cua cao snippets", "thuc va cao snippets", "thuc cua cac snippets", "thuc cu cao snippets", "thuc cua cay 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: (((("thuc cua cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc cua cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc cua cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc cua cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.