Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat cong da snippets" » "chat chong da snippets", "chat long da snippets", "chat song da snippets", "chat cong dan snippets", "chat cong dac snippets", "chat cong dau 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 cong da 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 cong da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat cong da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat cong da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.