Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai trong da snippets" » "bi trong da snippets", "tai trong da snippets", "bui trong da snippets", "bai trong dam snippets", "bai trong dan snippets", "bai trong dao 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: (((("bai trong 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: (((("bai trong da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai trong da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai trong da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.