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