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