Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan chon mot snippets" » "dan chan mot snippets", "dan cho mot snippets", "dinh chon mot snippets", "dan khoan mot snippets", "dan phong mot 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: (((("dan chon mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan chon mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan chon mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan chon mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.