Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon nam cau snippets" » "bon nam cau snippets", "loi nam cau snippets", "lon lam cau snippets", "lon nam cao snippets", "lon nam cac snippets", "lon nam ca 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: (((("lon nam 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: (((("lon nam cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon nam cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon nam cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.