Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang duoi ca snippets" » "hang doi ca snippets", "trang duoi ca snippets", "mang luoi ca snippets", "hang cuoi cua snippets", "hang nuoi cay 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: (((("hang duoi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang duoi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang duoi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang duoi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.