Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xoa hoi ve snippets" » "xa hoi ve snippets", "xoa doi ve snippets", "hoa hoi ve snippets", "xoa hoi va snippets", "xoa moi ve snippets", "xoa noi ve 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 hoi ve 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 hoi ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xoa hoi ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xoa hoi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.