Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian cau den snippets" » "gian chau den snippets", "gian cac den snippets", "gian cam den snippets", "gian cap den snippets", "gian cau de snippets", "gian hau den 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: (((("gian cau den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian cau den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian cau den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian cau den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.