Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xoa duoi ca snippets" » "xoa doi ca snippets", "hoa duoc ca snippets", "hoa doi ca snippets", "xoa cuoi cua snippets", "xoa 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: (((("xoa 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: (((("xoa duoi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xoa duoi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xoa duoi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.