Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chan hai da snippets" » "thanh hai da snippets", "van hai da snippets", "hang hai da snippets", "chan hai dan snippets", "chan hai ba snippets", "chan hai va 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: (((("chan hai 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: (((("chan hai da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chan hai da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chan hai da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.