Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc hoi cau snippets" » "duoc hoi cau snippets", "duc hoa cau snippets", "duc loi cau snippets", "duc hoi chu snippets", "duc hoc cau 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: (((("duc hoi cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc hoi cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc hoi cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc hoi cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.