Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc chua cau snippets" » "luc chua cau snippets", "duc thuan cau snippets", "truc chua cau snippets", "duc chua cu snippets", "duc chua dau snippets", "duc cua 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 chua 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 chua cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc chua cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc chua cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.