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