Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai trang do snippets" » "bai trong do snippets", "bai tang do snippets", "ban trang do snippets", "bai trang o snippets", "bai trang de 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 trang do 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 trang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai trang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai trang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.