Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat cua xe snippets" » "nhat cua xe snippets", "chat va xe snippets", "chat huu xe snippets", "chat chua xe snippets", "chat cua te snippets", "chat cua he 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 cua xe 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 cua xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat cua xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat cua xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.