Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi tim cach snippets" » "noi tim mach snippets", "noi tinh cach snippets", "noi tu cach snippets", "noi kim cach snippets", "hoi tim cach snippets", "noi tiet cach 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: (((("noi tim cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi tim cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi tim cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi tim cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.